Adjustable warm up regulator After warming up, I can see the STFT staying around 200 at idle in CLOSED loop, but once I start to accelerate it quickly builds to 255 and then resets to OPEN Apr 27, 2005 · All the K-Jet documentation I've read online and in print says that warm-up regulators cannot be adjusted without special equipment. This xx minute video will take you step by step through the process of modifying your warm up regulator so you will be able to easily make adjustments to your cold start control pressure. Inklusive Dichtring. BOSCH K-JETRONIC WARM UP REGULATORS: As with our Fuel distributors, KMI service exchanged K-Jetronic Warm Up Regulators are fully remanufactured and calibrated to manufacturers original specification on our purpose built test and calibration bench. Along with checking cold vs. 45 Add to cart 6cyl Adjustable Cast Iron Fuel Distributor Kit $ 118. Its done May 14, 2021 · RECONDITIONED WARM-UP REGULATOR (WUR). 6cyl NON-Adjustable Cast Iron Fuel Distributor Repair Kit $ 102. Take care when adding shims as a small shim can add a lot. In the end, I saw 21 psi cold, 52 psi warm with a 45* dwell +/- . RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds CCP is the first thing to go followed by degrading warm up times and eventually low warm control pressure. However, many of the WURs available on eBay have a further (2nd) Sep 8, 2012 · Unlike the fuel distributor, the Warm Up Regulator is truly a nightmare to rebuild. 90. 4. Dec 1, 2022 · You can see firsthand the advantages of having the warm-up regulator mounted on top of the engine instead of underneath the manifold. Ausführung 1 mit durchgehender Bohrung; Ausführung 2 massiv, ohne Bohrung. If the accumulator, fuel filter and pump are OK, we need to look at the regulator. press. It is Nov 19, 2009 · All of this disassembly has me thinking of making a version "2" with easier cold and adjustable warm settings. What I wanted to find out was how easy it would be for me to change the warm up regulator myself - I'm not that mechanically minded but am willing to give these things a go - and where it is located. There is no way to diagnose or properly set up a CIS system, without it. $34. Allows for an additional rich mixture under full load to prevent engine damage. The options may be chosen on the product page Control Pressure Regulator (Warm Up Regulator) Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Required Figure 15. your control pressure regulator is 100% adjustable if you know how to do it, and its Warm Up Regulator, Digital, Turbo Engines The warm up regulator is crucial to the correct operation of the CIS system. Oct 20, 2020 · I made the wur adjustable. 00 surcharge) $ 638. 00 surcharge) $ 683. org 924 Registry Feb 17, 2002 · cis-e motronic fueling and 5000 turbo warm up regulator questions. Still you may en Mar 19, 2025 · A warm-up regulator helps in adjusting this fuel-air mixture, allowing the engine to warm up more effectively and reducing emissions. org Discussion Forum of 924. May 13, 2025 · The Atomic Aquatics B2x is a top-tier regulator that balances lightweight titanium construction, excellent breathing performance, and long-term durability. You tap ( create threads) in the Pin next to the electrical plug, so that you can move it up or down to adjust the pressure. You use the screw which you insert, to pull the pin UP and you simply push it down by hammering it. Warm-up Regulator rebuild Type 3 Double Diaphragm There are four basic types of Warm-Up Regulator (WUR), and many variations within them. It replaces the original mechanical style regulator and is a direct fit into the Apr 26, 2024 · reconditioned dual-diaphragm type warm-up regulator (wur). For example, at 10 degrees Celsius you may read 1 to 1. This should be done by a certified technician when a regulator is due for replacement, as improper installation could be hazardous. They are used on RVs all the time, and by design must be able to sustain flow for all gas appliances in the RV at the same time (gas water heater, gas furnace, gas stove; easily 75k BTU up to 100k BTU). Guessing and throwing parts at it, is expensive and time consuming. Take the WUR Out. Feb 1, 2012 · In some applications they use the Control Pressure Regulator (aka Warm Up Regulator) to also give a fuel spike during quick acceleration kind of like the accelerator pump in a carburetor. 3 bar after 20 min. you probably can run a The warm-up regulator, also called the control pressure regulator, lowers the control pressure of the K-Jetronic when the engine is cold. This version includes an RPM sensor and MAP Sensor for pressure over and under 1 bar. 90 Add to cart. To replace defective old parts. This further deflects the control plunger in the fuel distributor and correspondingly supplies additional fuel. Now once it warms up, it increases the pressure, leaning it a bit. 00 minimum on warm up regulators and fuel distributors. This is CIS and pressure is everything. I have tried and tested several warm up regulators and have come up with a list of the 10 best warm up regulators for 2024. 1 when cold and not running but when i start it it goes immediately to 4. Main Control Valve: Warm-Up Regulator/EHA. NOTE that the regulator body may take some force to move in the body, and it should only be done carefully, AND with the regulator dismantled – cap, button, shim Search "adjustable wur" and you'll find some threads about it. So I know with the right pressures things can run right. Adjusting the warm-up regulator would only modify the control pressure, not the line pressure. clean and reassemble the Warm Up Regulator (WUR). The warm up regulator should only be operative during the warm up cycle and should have no effect after. 0 438 000 009 – 6cyl Adjustable Cast Iron Fuel Distributor Rebuild Kit. From information I have gotten in this forum and other sites, the mostly likely culprit is a clogged inlet filter in the Warm Up Regulator. I connected the line withe the meter between the wur and k-jet. 5 bar, and at 20 degrees Celsius you may read 1. Version 1 with borehole; Version 2 Without Borehole. 85 Add to cart 0 438 140 014 Warm-Up Regulator Rebuild Kit, Non-Vacuum Type Dec 26, 2018 · I built the adjustable MAP sensor yesterday and tuned the voltage up to ~6v with the Bosch 20 lb/hr injectors @ 3 bar (P/N 0-280-155-909), but still am experiencing a lean condition. Warm Up Regulator, Digital, Turbo Engines The warm up regulator is crucial to the correct operation of the CIS system. Our Top Pick: Cressi MC9 XS Balanced Dive Regulator; Most Affordable Cold Water Regulator: Palantic AS101 Din Dive Regulator; Excellent Value Cold Water Regulator: Drager Secor 7000 Black Mar 13, 2025 · Adjustable spring plate for Bosch Warm Up Regulator with vacuum adjustment. Dec 12, 2024 · I made mine using that book, back in the day, and still have it. Jul 18, 2024 · A fellow friend and 911 owner approached us about having engine running issues with his 1980 SC. Stage 3: Bulk Charging – UnwiredTools™ UnwiredTools has combined communications technologies and mechatronics "under the hood", offering innovative and compelling products and systems for the automotive aftermarket. If you decide to work on your WUR you do it at your own risk. A regulator switches field on and off as necessary, to control average field current, resulting in voltage regulator. Execution 1 with continuous bore; Execution 2 solid, without hole. No problem after warm up. Comes with a 0 438 140 017 EXCHANGE Remanufactured Warm-Up Regulator (price inc $200. Non Vacuum 2. ) 380SL (107. mercedessource Product - Kent will demonstrate how to drill and tap the cold start adjustment pin so you can adjust it without having to take WUR apart again and again. This component is operated by the movement of the plunger and opens as the plunger moves off it's seat. It replaces the original mechanical style regulator and is a direct fit into the Jun 1, 2010 · From memory there is basically a bi-mettalic arm that alters spring pressure on a spring loaded diaphram. If this hasn’t fixed the issue, we need to try shimming the regulator. (The symptom observed was that I could push down on the airflow sensor plate and correct the overrich condition, but couldn't adjust it lean enough with the idle mix adjusting screw. I am looking for a used/new warm up regulator for an 82 320i 1. 3K views 15 replies 9 participants last post by plinker17722 Aug 17, 2021 Oct 27, 2010 · warm'up regulator readings Jump to Latest 2K views 5 replies 2 participants last post by WaterWheels Oct 29, 2010 Jul 22, 2023 · 0438100075 Fuel Distributor 4cyl Cast Iron FD Adjustable type Repair Kit (#222996507039) 0438140045 EXCHANGE Remanufactured Warm-Up Regulator (price includes TOYOTA Genuine Parts Regulator Warm-Up Hose Corona Part # 23955-72010 RV Water Pressure Regulator with Adjustable Handle,Brass Water Pressure Regulator with 0-160 Related products. Double diaphragm 4. Our analysis identified over 335,040 datapoints for the Warm-Up Regulators category. In this Dec 26, 2009 · A faulty warm up regulator is the more common cause for a malfunctioning k jet system. 8 bar. Basic CIS is referenced to FUEL pressure via springs, and is pretty much oblivious to anything else but it makes one fundamental assumption: The return line is at or near atmospheric pressure. Stage 2: Soft Ramp – The regulator slowly increases field excitation of the alternator to reduce belt stress. 220" restriction (7/32")" at the regulators internal Apr 15, 2018 · Okay,, Complete WUR Adjustment: * The WUR has to be grounded to operate--on the engine--on the brake master--where I do mine. 00. Warm-Up Regulator for turbo equipped and racing engines. Oct 6, 2013 · I mentioned adjustable warm-up regulators in a previous post, and I needed to adjust one that I had cleaned/polished for my rebuild engine, so I set up the gauges and took pictures. 0438140103 EXCHANGE Remanufactured Warm-Up Regulator (includes AU$200 surcharge) | eBay Jan 29, 2003 · might be a dumb question, new to VW, does anyone know the location of the warm up regulator on a 83 GTI 1. 7 to 4. OK, figured out my "warm up regulator" or "control pressure regulator" problem, with 20/20 hindsight, it was absolutely bloody obvious. Turbo This tutorial will be using a 0438140007 for most of the example. Apr 12, 2008 · Warm up regulator (WUR) Calibration / Control pressure calibration or adjustment How to calibrate the k-jetronic warm up regulator Applies to: Most K-jetronic mercedes engines, the type without electronic lambda controls. Feb 1, 2025 · UTCIS-V Unwired Digital Warm Up Regulator Reviews? Jump to Latest 118 views 0 replies 1 participant last post by MSGGrunt Feb 1, 2025 Feb 1, 2025 · UTCIS-V Unwired Digital Warm Up Regulator Reviews? Jump to Latest 118 views 0 replies 1 participant last post by MSGGrunt Feb 1, 2025 The next thing to check, as Stu pointed out, are your control pressures at the WUR (warm up regulator, also called control pressure regulator) You'll need CIS test gages to test this. On early cars it was used as a cold enrichment device and got the name warm up regulator but it does much more Oct 1, 2006 · (Warm up Regulator) Jump to Latest 1K views 4 replies 4 participants last post by MidnightG60 Jul 6, 2017 · With no regulator in place I checked the pressure, and was getting 9 psi at idle, up >12psi at a fast idle. 2* @ 900rpm. Single diaphragm 3. 9 bars and stays. Zum Ersatz defekter Altteile. It's probably tapped into a fat 'pin'. 0 438 100 003 – 4cyl Cast Iron Non-Adjustable Fuel Distributor Repair Kit $ 96. 5 in stock. ) Someone told me it might be the warm up regulator. K-JET *SPECIALISTS - HOME Here are the prices: PRICES - K-JET *SPECIALISTS (WUR) WARM UP REGULATOR REBUILD SERVICE PORSCHE LOTUS 930 911 924 928. Rebuilt European version warm up regulator for 930 Turbo models (1987-1989). I will post up a picture later on. 90 Add to cart; 0 438 140 022 EXCHANGE K-Jetronic Turbo Warm-Up Regulator (price inc $200 surcharge) $ 653. Warm-Up Regulator Single Vacuum Diaphragm Repair Kit $ 60. If it doesn't up the pressure when it's warm, it will run too rich. 0 438 140 016 EXCHANGE K-Jetronic Turbo Warm-Up Regulator (price inc $200 surcharge) $ 653. We detected a high level of opportunity for a new brand or a new product in the Warm-Up Regulators category. Consult a trained technician for an accurate diagnosis. Including sealing ring. With linear voltage regulators, you often need to provide an input voltage that is at least 2V higher than the output you want. 3 bar. 5 to 5. Skip to the content. I'm only really concerned about warm idle anyhow. The warm-up regulator is installed on the engine to absorb its heat. 2 bar Adjusting value 4. Portions of the WUR use very tight tolerances and must be kept absolutely clean. FUEL INJECTION CORPORATION 2246 N. Ideal for both recreational and warm-water technical divers, it offers high airflow, a swiveling first stage, and an advanced second-stage design. Back when I was searching for a new WUR, I came across an Australian gent who rebuilds these. 0 LX Convertible (factory specs) The warm up regulator does have an effect on cold starts. For Replacing defectiv Nov 16, 2005 · Other wise a basic tune up is in the ignition system, cap, rotor, plugs & wires. 9 bars while running. If you purchase our kit ( see below Related products. 69 Add to cart 8Cyl Alloy KE Fuel Distributor Repair Kit Apr 9, 2009 · Hi, I think my warm up regulator has gone faulty on my 1984 280CE She Starts up from cold okay but very very rich, carbon soot coming out the back and really really fumy!!!! Then while warming up tickover is quite erratic up to 1200 rpm and down to 600 rpm and running very rich. It is important to note that Bosch does not consider the WUR a rebuildable part and there is no source of internal parts available. We Ship Worldwide! 🌍 ️📦 Search for products Search Feb 3, 2020 · Strip regulator and clean/free up. Now i tried to well "adjust" the wur bij moving the pin a bit up and a bit down but the meter stays on 4. How Switching Regulators Work Jan 30, 2022 · Perhaps a slightly different animal, our home propane tank has a primary regulator at the tank which is rated somewhere north of 2M btu’s. Warm-Up Regulator Rebuild Kit for Non-Vacuum assisted and some Altitude compensation WURs. Jan 4, 2024 · 10 Best Warm Up Regulator 2024: My Experience & Review Hello there! My name is Lily Monroe, and I have been using warm up regulators for years now. Other factors unrelated to the Warm-up Regulator may adversely affect engine startup. Jun 19, 2023 · Performance Gain: The ability to externally adjust the warm-up regulator facilitates a proper running engine ; Complementary Modification: Replace the warm-up regulator instead of just repairing it and modifying it for external adjustment The Warm Up Regulator utilizes engine temperature and an electronic signal to adjust the fuel enrichment during warm up. As you choose a higher and higher pressure high pressure propane regulator, the degree of control that the propane regulator valve has over the gas output decreases; i. In case you don’t have that, here is the text: May 1, 2023 · Hello, now I need your experience. Since it is not super bad and I therefore do not want to… Apr 30, 2009 · The Tech Lounge. Les meilleures offres pour 0438140096 EXCHANGE Reconditioned Warm-Up Regulator (includes AU$200 surcharge) sont sur eBay Comparez les prix et les spécificités des produits neufs et d 'occasion Pleins d 'articles en livraison gratuite! May 25, 2021 · Low-Dropout (LDO) Regulators. Are these meant to be taken apart? I removed the 4 screws and nuts holding the lid plate on, but once putting back together, the little cylindicular pin wobbles around too much, and indefinetly will fall out of place if the regulator is moved too much. 960) (1982) > Mercedes Benz Workshop Service and Repair Manuals > Powertrain Management | Fuel Delivery and Air Induction | Warm Up Regulator | Component Information | Description and Operation Jan 6, 2019 · Bosch K-Jetronic Continuous Injection System (CIS) - You can spend thousands and get a used Warm Up Regulator from E bay or any other place. Oh yeah, check the timing too. He also provided some very powerful "how to" guides along with a fairly expensive rebuild kit. The Warm Up Regulators are all adjustable. The car idles a bit rough when cold. flatsix777 Posted May 9, 2009 Dec 18, 2017 · What happens if you adjust the warm up regulator . RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds Aug 29, 2006 · This is John, Joe's friend. Unfortunately, they are no longer available new from Bosch. They also have screens that need to be cleaned, where the banjo bolts connect. These 3. The secondary regulator at the house is rated at 935K btu’s. The CIS Injection / K-Jetronic warm up regulator is a critical component that performs the following functions: Lowers pressure when engine is cold. May 18, 2023 · 5 – Warm Up Regulator / Control Pressure Regulator The purpose of the warm-up regulator is to help enrich the fuel mixture during a cold start. the warm up curve is somewhat relevant for turbo vs NA cars but the hot control pressure is probably the most critical part if you look in the saab manual you will see different hot control pressure specifications for turbo vs NA cars. I'm attempting to avoid scope creep, but also looking The summary table of technical data for WUR (make, model, system pressure, cold, warm… *. This uses a dual diaphragm and is one of the more difficult of the 4 Warm Up Regulator-( CIS ) Control Pressure Regulator by Bosch. Jun 11, 2009 · B=To warm up regulator C=From warm up regulator D=To cold start injector E=From fuel filter F=Return to fuel tank 15. 6 bar I opened a post in Feb 23, 2012 · If you think you are getting some air through the warm up regulator, spray some carb cleaner or unlit propane at the slits in the warm-up regulator when your car is running and after it comes off of the warm-up cycle. 0 adjustable fuel pressure regulator instead of fixed regulator x 1; Adapter fittings to fit OEM hose and fuel rail ends x 2; Hose Tail fitting to fit factory return line x 1; ORB Plug x 1; This kit must use the adjustable fuel pressure regulator as Bosch does not produce a standard 2. This tech article is good too: Pelican Technical Article: 911 Warm-Up Regulator Adjustability Apr 20, 2011 · Warm-Up Regulator Ajustability. 90 Add to cart; 0 438 140 045 EXCHANGE Remanufactured Warm-Up Regulator (price inc $200. Let’s do this! QUICK LOOK. Nov 24, 2023 · All Fuel Distributors and Warm-up Regulators are fully stripped, cleaned and rebuilt with new parts wherever necessary. 0 438 140 034 EXCHANGE Remanufactured Warm-Up Regulator (price inc $200. More field current, results in higher output voltage. Send us your original part and we will have it remanufactured for you. Feb 28, 2006 · Hello all, My 450SL was idling rich after warmup, and after much reading I decided that a possiblity could be the warm up regulator. Motorsport and performance units also available. It seems that the warm-up regulator has come into the years. 606. 5 to 3. Any typical small 20 or 30 lb LP tank can easily flow enough gas. 4 shows the fuel distributor, primary pressure regulator and air flow sensor from the Bosch K Jetronic system. After buttoning everything up and double checking all my connections I fired the car up. MacArthur Dr. 1 bar Fuel Injectors Opening pressure 2. Next, we explain the designs and features of cold waters that set them apart from regular, warm water regulators. The setup allows the testing of the incoming pressure from the fuel distributor, and the control pressure of the WUR itself. Send us your original part and we will have it remanufactured Not sure if this is working. Jump to Latest 912 views 3 replies 3 participants last post by 88Jetta Feb 18, 2002 Dec 23, 2023 · 7. There is a new main diaphragm and the small ‘hat’ diaphragm is replaced too. Please Note Apr 8, 2016 · Warm up regulator controls much, MUCH more than just warm up. 00am - 5. Jul 27, 2023 · We need your old units to continue our service. e. and Rebuild, modify, test and tune warm up regulator from Porsche 911 Turbo (930/66 engine) for the first time in 38 years. I'm just thinking about the GTS location. My little one still starts relatively well but does not run perfectly a few minutes when cold. Adjustable Spring support / spring seat for Bosch vacuum Warm Up Regulators. 1. 0-Liter engines were equipped with the Bosch K-Jetronic (CIS) system and a known problem-prone component in this system is the WUR (Warm Up Regulator). Tracy, CA 95376. Mar 4, 2018 · I'm looking to replace the WUR on my US imported 1982 911sc. Not as described here. If leaking you will hear the motor rev a bit. When the engine was warm the pressure was too high (above specifications). I ran a diag. Mar 26, 2012 · warm up regulator adjustable bolt K jetronic | eBay Esprit Xtrême '88 X-330 & "Mad Max" '95 S4s Visit: X180 IMPROVEMENTS , S4s,S4,SE UPDATES & IMPROVEMENTS , Intercooling Bosch injected, non-chargecooled engine , Einstellbarer Federteller für Bosch Warmlaufregler mit Unterdruckverstellung. Thought the stock mount near the firewall allows to warm up together with the engine. DeLorean warm up regulator, Mercedes-Benz warm up regulator, Porsche warm up regulator, Volvo, Audi, Lamborghini. Bob Tindel [email protected] The article on making the WUR adjustable is by Jay Pineau, Ark-La-Tex Region, PCA, in Volume VII, pages 116-117 of Up-Fixin. -Todd Rebuild kit warm up regulator with double diaphragm K-jetronic € 102,23 – € 104,75 incl. WARM-UP REGULATOR (WUR). 00pm. com with any hits or call M-F 7-4PM 802-375-0560. Advanced engine management programmability. Basically there's no choke at (the choke is supposed to be automatic. 0438140096 EXCHANGE Reconditioned Warm-Up Regulator (includes AU$200 surcharge) | eBay Mar 30, 2015 · I suspect that heater the OP shows is probably 30,000 BTU or so. Tapping the pressure regulator body inwards will increase the control pressure, and vice-versa; tapping the strip post inwards will reduce the cold start control pressure and vice-versa. 99 Add to cart 8Cyl Alloy KE Fuel Distributor Repair Kit TOYOTA Genuine Parts Regulator Warm-Up Hose Corona Part # 23955-72010. This allows the engine and belts an opportunity to warm up before the alternator load is applied. 8cyl Adjustable Cast Iron Fuel Distributor Repair Kit $ 124. 5 bar lower? My statement about mixing and matching was generic. Contact Us. 08 Bosch Control pressure "warm" 3. 8 to 2. Feb 16, 2005 · My mechanic did a pressure test on the regulator and indicated that although it was getting the right voltage it would not regulate the pressure. 8 bar System pressure Testing value 4. For replacing defective used parts. 0 to 5. The centre pin and diaphragm washers are replaced as part of the new vacuum diaphragm assembly. Altitude correction. 39 in stock. Fuel Pressure Regulator Adjustable Fuel System Regulation 3-5 Pressure Regulator Kits Aug 11, 2011 · Warm up regulator (WUR) Calibration - Mercedes-Benz Forum Esprit Xtrême '88 X-330 & "Mad Max" '95 S4s Visit: X180 IMPROVEMENTS , S4s,S4,SE UPDATES & IMPROVEMENTS , Intercooling Bosch injected, non-chargecooled engine , $500. When the engine is cold, the warm up regulator allows more fuel to pass through so the engine has more fuel enrichment. My cold idle sucks, because I need to address my auxiliary air valve. 0438100075 Fuel Distributor 4cyl Cast Iron FD Adjustable type Cold control pressure will vary according to temperature. UnwiredTools™ UnwiredTools has combined communications technologies and mechatronics "under the hood", offering innovative and compelling products and systems for the automotive aftermarket. making the pin go down in the body of the WUR lowers cold control pressure, making it move up raises it. Several companies reported an increase in revenue in these sectors, whereas the demand for Warm-Up Regulators has risen steadily. ) As you choose a higher and higher pressure high pressure propane regulator, the degree of control that the propane regulator valve has over the gas output decreases; i. It is supplied with new copper washers for the fuel fittings. pdf file) Disassembly and Reassembly of a Bosch Warm Up Regulator ; Playing with your K-Jetronic Warm Up Regulator, or WUR ; Rebuilding K-Jetronic Warm Up Regulator and adding adjustability Jun 27, 2006 · I installed a set of P heads and an E-cam in the car. Luckily I had a buddy with a stock one. warm control fuel pressures I'd check to see that you have 12V going to the AAV at start up. If no rev, check elsewhere, Remember "90% of your fuel problems are in your ignition" What you might look at is how the boost port effects the diaphragm, as it's my understanding it enriches the mixture at mid range quite a bit, the 928 version above apparently has a set screw to move the range of the fueling up or down rpm, although this may just be the adjustable control pressure mod as previously descibed and asssuming this Rebuild kits for fuel distributors and warm-up regulators. after 10 min. 21% VAT Select options This product has multiple variants. 9 bar Leak Test Min. As the engine continues to run, and 12v applied to the regulator, the fuel is slowly restricted allowing for more pressure on the fuel distributor and a leaner mixture. Related products. He indicated that all of the components up to the regulator are working. This is an aftermarket electronic warm up regulator for Porsche 930 models with CIS. Changing the shimming of the pressure relief valve is the only way to adjust line pressure as far as I can tell. Made in Germany. on it and it came back the MAF meter was faulty. All units are remanufactured unless otherwise noted new and carry an 18 month warranty. Looking around for an option, I found this regulator from Holley, #12-804, adjustable from 1 - 4 PSI. But on the other hand the thermo time switch warms up the WUR anyway, so in theory the location shouldn't make a difference, right? _____--- Konrad '89 951 US '88 Mustang 5. Why do we have to trash malfunctioning WURs? Why do we have to pay May 9, 2009 · I know you can buy adjustable 'performance' Fuel Pressure Regulators for '83> but when I enquired, they don't do them for the older SCs. Price: $620. 8L (116. 5bar pressure regulator in this form. 8 liter. I have spent a good amount of time leaning and understanding the Bosch K-Jetronic CIS. DIN regulators are generally seen as being more secure than a yoke regulator and are quickly increasing in popularity, they are more commonly used in Europe. 0438140054 EXCHANGE K-Jetronic Turbo Warm-Up Regulator (price inc surcharge) | eBay Mar 4, 2018 · Warm up regulator question Warm up regulator question. May 4, 2021 · Euro M117 Warm-Up regulator Jump to Latest 4. 4 to 3. 75 Add to cart; Hello all, My 450SL was idling rich after warmup, and after much reading I decided that a possiblity could be the warm up regulator. 25 Add to cart 8cyl NON-Adjustable Cast Iron Fuel Distributor Repair Kit $ 108. Now my reading are 2. The warm up regulator is a critical component that performs the following functions: Lowers pressure when engine is cold. A pneumatic switchover solenoid mounted on the rear bulkhead (19 in the diagram - N54 in the wiring diagrams) energised when the ignition is switched on and de-energised by the upper Mar 14, 2017 · The fact that your idle eventually does drop once the engine warms up makes me think that the AAV is functioning appropriately, however, perhaps it's not receiving 12 volts at start up. Your fuel mix may need adjusting. 99. Note 2: Warm-up Regulator failure is a common cause of starting problems. 4 Cylinder Alloy KE-Jetronic Fuel Distributor Rebuild Kit $ 91. Opening Hours Mon - Fri 9. Feb 3, 2020 · Warm-Up Regulator. 105. Then when I only have info as far back as 1982: Diagram for warm-up regulator Part No. 00 surcharge) $ 583. Mar 22, 2023 · Each Warm-up Regulator comes with copper washers for fuel fittings. 90 Add to cart 2. The WUR varies the fuel pressure on top of the control plunger in the Fuel Distributor accordingly. I will report on why I Sep 3, 2018 · It's been since The Vintage when my warm up regulator gave up the ghost, topic here : So I've gotten a replacement rebuilt warm up regulator (Jaymic), a complete coolant hose set (Blunt), and a replacement water pump (Wallothnesch) and gasket. edit: the warm up regulator is called the control pressure regulator in the Bentley Not always the culprit for the cold starting issues. My System Pressure is low. 5 mm dowel pin like in the illustration below. org FAQ Search Memberlist Usergroups Register : Profile Log in to check your private messages Log in : 924 FAQ (Technical) 924 Technical Section 924. ) Located within the pressure regulator is the transfer valve. So, there was no reason to go back with the same type of regulator as before. ) Open the WUR up and separate the 2 halves, Remove the spring ,the cap, and the small metal bar 2. It is possible to May 15, 2017 · Also, two of the P/N 12-803 or 841 regulators MUST be used when running a VOLUMAX fuel pump - one for each fuel bowl on a single holley 4v carb set up !! The restriction in these regulators is about 1/4 inch "Both regulators feature a 3/8" NPT inlet port and two 3/8" NPT outlet ports with a . 8? have a bentley and it is nowhere in there, is it under a different name? working on setting up a adjustable control pressure regulator, but need to move the warm up regulator to Sep 5, 2009 · Sounds like the warm up regulator to me. 90 Add to cart; 0 438 140 160 I recondition your K-Jetronic Turbo + Altitude Compensation Warm-Up Regulator $ 548. The the existing unit has "916" stamped/moulded on the top. The following table is a guide to the fuel paths marked by each blue arrow in figure 6. Switching happens quickly, such that when reading with a meter, average voltage is present. May 8, 2011 · Does anyone have a scanned copy of the 1985 Porsche Panorama article that outlines the process for making CPR/WUR's adjustable? I've found instructions in By using an allen head screw, in conjunction with a nut and washer, you can save yourself from opening up the WUR and adding a 1. After engine startup, the regulator waits for several seconds before applying field current to the alternator. Nov 10, 2021 · The "IGN" terminal of a regulator is voltage setpoint. Last summer we discussed installing a 20K generator and the decision was made to install a second 935K regulator specifically for the generator. I would guess the screw is altering the amount of pressure placed on the diaphram in some way, or on the arm, to adjust the fuel flow. 0-438-100-109A Bosch fuel distributor Rare adjustable on top FD46X DeLorean. A -To fuel injectors B -To warm up regulator C -From warm up regulator D -To cold start injector E -From fuel filter F -Return to 924Board. Sure, it does the function of an old school carby choke, to enrich the fuel mixture when the engine is cold, but it is also used to regulate the fuel Control Pressure when the engine is warm or warming up. Please e-mail me at jbc@mack. 8 The Airflow Sensor The airflow sensor, in most cases, is located on the air filter housing and is responsible for measuring the amount of air entering the engine. The existing WUR has 2 fuel lines next to each other, and a vacuum line and electrical plug next to each other. 1. Adjustable Spring Support / Spring Seat for Bosch Vacuum Warm up Regulators. 045) V8-3. , turning the valve an 1/8" in a 0-60 psi adjustable propane regulator has a lot more effect than turning the valve an 1/8" in a 0-20 psi adjustable propane regulator. First, replace the regulator seals as a matter of course. The Warm-Up Regulator (WUR) is a rather misnamed and misunderstood unit. This uses a dual diaphragm and is one of the more difficult of the 4 Posted: Wed Oct 25, 2006 1:29 am Post subject: Warm up Regulator fact. I had a running running 88 Cabriolet [RIP] that had a Volvo turbo fuel distributor/housing and a Audi turbo warm up regulator that ran perfectly. The control pressure applied to the top of the metering head plunger by the control pressure regulator (sometimes erroneously called the "warm-up regulator"). Edit: It is also known as the control pressure regulator and controls overall system pressure. By belfry March 4, 2018 in Not sure if all SCs have an adjustable deceleration valve, worth checking yours 0 438 140 009 Warm-Up Regulator Single Vacuum Diaphragm Repair Kit quantity Add to cart SKU: 0 438 000 001-009 Categories: Rebuild Kits , Warm-Up Regulator Rebuild Kits Tags: Warm-up Regulator Rebuild Kit , Warm-up Regulator Repair Kit , Warmlaufregler Reparatursatz , WUR Rebuild Kit , WUR Repair Kit Find many great new & used options and get the best deals for 0438140096 Warm-Up Regulator Repair Kit (Non-Vacuum Altitude Compensation WUR) at the best online prices at eBay! Free shipping for many products! Warm up Regulator (rebuild and making adjustable) Goto page Previous 1, 2 also made WUR adjustable also for easy adjustment. But a low-dropout, or LDO regulator, is a linear regulator where you can get away with an input voltage that is much closer to the output voltage you want. Done with what looks like a check valve but it is really a delay valve which acts like a leaky check valve. _____ Most manufacturers recommend changing propane regulators every 15 years, though this depends on the manufacturer since some propane regulators can serve up to 25 years if kept in good condition. 209-830-6551. Absorbs / distributes engine heat. Good idea to run fuel pressure tests on all so you know where things stand. Universal Adjustable Fuel Pressure Regulator Kit 100psi Guage AN6 Fitting Black. $64. It reduces pressure on top of the piston in the fuel distributor when cold, effectively making it easier for the air to open the valve (and enriching the mixture). This is particularly important for vehicles that experience drastic temperature changes, as an improperly mixed fuel can lead to difficult starts and poor combustion. 911. Oct 31, 2015 · I am having a flat spot/hesitation during acceleration when engine is cold on my 1985 280SL. 0438100075 Fuel Distributor 4cyl Cast Iron FD Adjustable type Repair Kit (#222996507039) e***l Jul 21, 2023 · reconditioned dual-diaphragm turbo type warm-up regulator (wur). Contact Us Note 1: The UTCIS™ replaces Warm-up Regulators for Mercedes, Porsche, VW, Audi and other vehicles, including European models. The transfer valve's function is to block the return flow of fuel from the warm-up-regulator back to the tank, also helping to maintain holding pressure. Also known as ( Cis ) Control pressure regulators. Gas and Sparks Feb 28, 2014 · Basically, my question is, what is the correct warm up regulator for an '88 Esprit? My '88 has a 0438140014 installed in it and it looks pretty tired. REMANUFACTURED DUAL-DIAPHRAGM VACUUM TYPE. ) take off the bimetal bar off the metal peg, remove the nut then the bar will come out with washer and lock washer 3. Reconnect the plug to the warm-up regulator and the control pressure should increase over the next few minutes until you reach warm control pressure, usually 3. It ran like crap and instantly the check engine light came on. Application: K-Jetronic (warm-up regulator)/KE-Jetronic (EHA) Reason for failure: Stale/contaminated fuel; Neglect, vehicle not being driven enough; Tampering; Age/wear; Cost: $500 (approximate, parts and rebuild labor); rebuild kits available for $50-$100; Where to repair: K-Jet warm-up regulator Jan 20, 2024 · A DIN regulator also has the added benefit of being able to withstand greater pressure (up to 300 bar, in comparison to yoke – 232 bar). 25 Add to cart 0 438 140 011 Warm-Up Regulator Rebuild Kit, Non-Vacuum Type $ 43. . The mixture is adjusted to the correct ratio when the engine warms up. 45. 25 Add to cart; 0 438 140 026 Warm-Up Regulator Rebuild Kit, Non-Vacuum Type quantity Add to cart SKU: 0 438 000 000-026 Categories: Rebuild Kits , Warm-Up Regulator Rebuild Kits Tags: Warm-up Regulator Rebuild Kit , Warm-up Regulator Repair Kit , Warmlaufregler Reparatursatz , WUR Rebuild Kit , WUR Repair Kit CCP is the first thing to go followed by degrading warm up times and eventually low warm control pressure. ddn gyslhnp nnbvni mvx oqhtrtc obvgf ibkxn heqcbwn lpabja jhoa