Care & Repair: If you have determined that your gasoline is bad. Nissan 300ZX Fuel Pressure Regulator Replacement costs between $181 and $211 on average. The injectors barely spit a little fuel. Fuel System vapor lock can be caused by several things including a bad Fuel Pressure Regulator (FPR), bad fuel pump check valve, or leaking injectors. In older cars, this was done using a carburetor system, which was not as fuel efficient and was harmful to the environment. Temporarily replaced fuel pump relay with jumper wire. Every part listed is in stock and ready to. Regardless its pretty expensive and in AU you have plenty of solid engines you could swap or other vehicles you could use for a project. This replacement item is thoroughly patterned after to work like the genuine fuel pump mounted on your car or truck. Testing a fuel pressure regulator was created by Bonham Hello all 1991 300zx Nissan twin turbo is the vehicle I'm working on ""Cranks but no Start". code 42 - fuel pressure regulator 2. If I hold the AFM flap in for a few seconds/minutes, my car will start and run for a few seconds then sputter out and die. Fuel Pressure Regulator For 1990-1996 Nissan 300ZX 3. It takes some of the pressure built up in the manifold to increase the fuel pressure. Rebuild kit for Bosch K - Jetronic Fuel Distributor 0438100071 0438100121 0438100091 0438100047 00438100048. If the fuel pressure regulator is failing at the vacuum port, as your partner revs the engine you'll actually see fuel seeping or spraying into the vacuum line. Replaced fuel filter. Symptoms indicate a fuel pressure regulator problem or fuel pump failure. Remove a spark plug and examine the end of it. I had the LUK fuel pump with the black plastic cover, now it has no cover and you can see that is a Bosch pump. Results for "Fuel Pressure Regulator" Showing 789 Items Sort By: false Price (Low to High) false Price (High to Low) false Brand (A - Z) false Brand (Z - A) Most Popular false Specials false Newest. Performance fuel injectors are classified according to resistance and flow rate, in lbs. Thus, the. New OEM Fuel Pressure Damper. Spark was NOT present in all of the cylinders. Here I'll address several symptoms of a bad fuel pressure regulator. VG33 BLOCK PREP. ok so i have my 91 nissan 300zx turbo with 100,000 miles on it and im a nissan tech so i should be able to figure this out but im sumped anyways, so im wondering if anyone has any ideas? ok so my car has had this problem lastely where most of the time it idles really rough and even under normal. Nissan parts dept says there is no fuel pressure regulator. I'm getting around 24psi fuel pressure at idle, and it's keeping me from driving anywhere. During this step the OBDII system will look for misfires, fuel trim and EVAP purge. This is a 2003 Nissan Sentra gxe, less than 2 months out of warranty and under 300 miles out of warranty. timing belt broke. In spite of the changes in the fuel amount or the changes in speed of the pump, the fuel pressure regulator acts like a buffer in keeping the fuel pump's function, and that is the significance of the fuel pressure regulator. Looking for replacement Transmission Speed Sensors for your Nissan ? Then shop at 1A Auto for a high quality Vehicle Speed Sensor (VSS) or Turbine Speed Sensor (TSS) replacement for your Nissan at a great price. Bear in mind I have only described symptomsno one has actually seen the car. Usually ships in: 3-5 days. Leaky Fuel Pressure Regulator (Controls fuel pressure to injectors, which is critical for starting and proper air/fuel mixture). Increase your car's performance with an uprated fuel rail from Demon Tweeks - worldwide delivery available Fuel Regulators | Demon Tweeks JavaScript seems to be disabled in your browser. So the fuel pressure regulator diaphragm is connected to a source of intake vacuum. Can you give me. Then remove oil galley plugs. But cant I also lean them out a little more as well by reducing the line pressure farther then the stock spec for the 300zx injectors?. Fuel injectors are responsible for delivering fuel to the engine. Hard warm start, fuel temp sensor I noticed today the 2002 Jetta TDI took a long time to startup (maybe 7 sec) while it was warm running afternoon errands. *A fuel pressure problem can cause about every possible problem you can think of. 0 volts which is ok from my experience. Best practice would be to ensure the tank itself is empty or as near empty as possible, to reduce weight and associated risk. Fuel Pressure Leak-Down Test An area often overlooked is the performance of the fuel system not while the engine is running, but when it is shut off. Does that sound familiar? Faulty fuel gauges are a common problem in collector cars. Fuel Pressure Regulator For 1990-1996 Nissan 300ZX 3. After the swap still got code 42 and still no pressure. code 42 - fuel pressure regulator 2. Guess why I like metric…). Designed using state-of-the-art technology and with customers in mind. Your car's fuel pressure damper,otherwise known as the pressure regulator, is part of the engine assembly responsible for regulating the release of pressure onto the car's injection system. Hard warm start, fuel temp sensor. Needed fuel pressure = (PR2 x Base Fuel Pressure) + Boost = (1. The fuel filter is the cartridge in the fuel line that serves to remove any dirt from the fuel as it enters the engine. Then remove oil galley plugs. Idle Stop Solenoids. Fuel pressure regulator problem symptoms and the diagnosis Like any other mechanical equipment, the fuel pressure regulator can also fail, leading to many problems. But when it comes to aftermarket ones, it is worse than a. Fuel injectors are resilient and does not often need replacement. The pump puts out too much pressure so you have to buy a regulator for it. Want an affordable yet high-quality Nissan 300ZX Fuel Pressure Regulator? Shop now and enjoy our lowest price guarantee and access to the best brands in the industry!. There's no fuel smell when I drive or even accelerate. com explains that the knock sensor has a direct effect on the engine's ignition timing. An EGR valve can fail in two ways: It can be open all the time, or it can be closed all the time. Seems like the temp sensor is bad,. Re: Nissan fuel pump problems Sign In Hey my friend, thanks for the adviceIts a new fuel filterwe blew air thru the lines but haven't considered the fuel pressure regulatorI'll give it a trySince i'm not the best mechanic in the world and not wanting to sound dumbbut where is it and is eassily accessable to get to/ Lord!. Manifold vacuum referenced to the regulator fights the force of the regulators spring against the fuel diaphragm at idle, lowering fuel pressure anytime manifold pressure is less than atmospheric (and raising it during boosted conditions when manifold pressure increases above atmospheric). A brand new Nissan OEM fuel pump is ~$220 from Courtesy Nissan. A failing fuel pump will not create enough pressure in the fuel system, possibly causing a loss of engine power or preventing the car from starting. The most common fuel system problems that can cause idle issues are a malfunctioning fuel pressure regulator or dirty or leaking fuel injectors. An injector pressure drop test will tell you if the injectors are flowing evenly or not. However, there are many do's, don'ts, and rules of thumb that can be frustrating to learn the hard way. New OE Z32 fuel pressure regulator. The pressure relief is needed on the vg33. No sign of fuel or pressure. So I hit all the usual Subi Forums asking for advice. But there only $2. * They determined that the car was running out of fuel when it shut off while I was driving. If your Nissan 300ZX stalls and idles rough, the fuel pressure may be excessive. Stuff catch rags underneath the fuel pressure damper and fuel pressure regulator to catch fuel when disconnecting the fuel supply and return lines. 52mm displays trio amp oil pressure water temp VW AudiEUR 25,00. v E6 ecu Aftermarket fpr 255 fuel pump Cold air intake 3 exhaust no cat no resinator to bozo pipe Stock oil catch can ran back to intake after maf Non recirculated b. 2 AFMs, 3 ECUs, 2 fuel pumps, a set of injectors, 2 sets of fuel pump relays all in under 5000 miles. A bad knock sensor causes a decrease in acceleration and fuel mileage. I did some research on this forum and elsewhere, and kept hearing the hint that it may be the fuel pressure regulator. Want an affordable yet high-quality Nissan 300ZX Fuel Pressure Regulator? Shop now and enjoy our lowest price guarantee and access to the best brands in the industry!. Step 5 Fuel Pump and Fuel Pressure Regulator. 0 volts which is ok from my experience. The real test will come when we hook up the fuel pressure regulator, which will load up the fuel lines to 58psi! August 15, 2009 - Today I installed the PCV system and part of the fuel system. Fuel injectors are resilient and does not often need replacement. I know it's connected to the fuel system so I'm wonder is this a fuel filter? Like an additional one? Also for the FPR (Fuel Pressure regulator) what's a good psi to have it before i try to start I know it goes between 30 and 40 before even trying to crank. 1988 300zx turbo low fuel pressure problem - running rough, stalling, loss of power 1. Now prepare the VG33 block for cleaning. NHTSA — Fuel System, Gasoline Problems. When the parts fail or begin to show symptoms of failing, it can have far-reaching implications to the viability of the automobile. Use the search options above for Stock-OEM Fuel Injectors. Out of the FPR would be a return line back to the tank. only bottom half of motor was turning. gas pedal seems unresponsive. Still no pressure. Nissan OEM Fuel Temperature Sensor - Nissan 300ZX Z32. How to Troubleshoot a No Start (Nissan 3. Is the fuel dampener Symptoms of a failing fuel dampener. The injectors barely spit a little fuel. I am looking for a deal on a fuel distributor and pressure regulatorinstall those and a fresh set of plugs and see what happens. If so-you have a fuel problem, check the fuel pressure to rule out the fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. A significant redesign of the Nissan 300ZX would be required to comply with impending U. (Bad Cas, Out Of Timing, Bad Temp Sensor)? - posted in Technical Questions: S13 sr20det 1997 240sx Wiring done by aceupmotorsports T25 Cxracing fmic kit Greddy rz b. A clogged fuel filter can make the pump work harder, potentially leading to early fuel pump failure, an expensive repair. The pressure regulator vacuum is fed via solenoid which is under the control of the ECU. Every part listed is in stock and ready to. On a 1984 Nissan 300ZX the fuel pump turns on with the key. Nissan 300ZX 1990, Fuel Injection Pressure Regulator by Paraut®. Fuel pump, fuel pressure regulator, mass air sensor, coolant temp sensor, transmission temp sensor, and bad gas were allsuggestion. During this step the OBDII system will look for misfires, fuel trim and EVAP purge. The purpose of this is to provide a "pressure up" for improved starting when the engine is hot. Does a boost leak make the car run rich or lean? It will make it run rich. Manifold vacuum referenced to the regulator fights the force of the regulators spring against the fuel diaphragm at idle, lowering fuel pressure anytime manifold pressure is less than atmospheric (and raising it during boosted conditions when manifold pressure increases above atmospheric). The real test will come when we hook up the fuel pressure regulator, which will load up the fuel lines to 58psi! August 15, 2009 - Today I installed the PCV system and part of the fuel system. A voltage regulator maintains an even flow of electrical power to an automobile's electrical systems, including the headlights, dashboard components and the stereo. The only change is a Malpassi rising rate fuel pressure regulator which, combining with pushed-to-their-limit standard injectors, manages to maintain safe air-fuel mixtures for up to 284hp (212kW) at the wheels. 8 sections of high pressure fuel injection hose cut to the proper length to replace all the rubber fuel lines in the Z32 engine bay. To keep a resourceful running motor, a Nissan fuel pressure regulator should be in proper operating order. Performance Fuel Injectors, Fuel Rails & Components. An easy check for a fuel pressure regulator is to just remove the vacuum line going to it. A fuel pressure regulator is used to maintain steady fuel supply, even during dramatic changes in fuel demand. Take a note of the fuel pressure gauge reading. The only change is a Malpassi rising rate fuel pressure regulator which, combining with pushed-to-their-limit standard injectors, manages to maintain safe air-fuel mixtures for up to 284hp (212kW) at the wheels. Page 1 of 2 - S13 Sr20Det. Andy's Auto Sport is the ultimate shopping destination for your fuel pressure regulator needs!. 2006-2014 For Daewoo Winstorm Max 2. This causes the fuel pressure in the injector rail to rise when engine load increases (and vacuum drops). ok so i have my 91 nissan 300zx turbo with 100,000 miles on it and im a nissan tech so i should be able to figure this out but im sumped anyways, so im wondering if anyone has any ideas? ok so my car has had this problem lastely where most of the time it idles really rough and even under normal. Funny, those symptoms are exactly why I got rid of my '77 280Z. Many Nissan 300ZX owners are very willing to help others to recognize the symptoms of this problem. Does that sound familiar? Faulty fuel gauges are a common problem in collector cars. With the ignition "on" and the AFM flap pushed in, I can hear the fuel pump relay click, fuel pump come on, and an immediate hissing sound coming from my fuel pressure regulator. To test the fuel pressure, Tee-in a tempoarary fuel pressure gauge at the output side of the fuel filter. The fuel damper (2. Sometimes referred to as a FPD. At this time I do not have a diagram to show you, so you will need to use your imagination as I describe it the best I can. 4 psi) PCV-valves:. Now prepare the VG33 block for cleaning. I would guess that you have a check engine. The OE fuel pressure regulator should maintain fuel pressure at ~36 psi at idle with vacuum reference attached, 46 psi at static manifold pressure, then increases fuel pressure 1:1 per psi of boost. Page 1 of 2 - S13 Sr20Det. Dave has a point ( craptastic ),IMO the solution is to get that pump near the tank ,most don't like drawing fuel but are happy to move it on then you can have a pressure gauge @ your low pressure regulator outlet before your tee connection to the carbs ,you could remote mount it up near the engine lid to monitor your pressure,once you have a good steady pressure set you could cap the tee or. I ordered an ajustable fuel regulator to bring me back to the fuel pressure I need for the 300zx injectors, now as you said the computer will lean them out a little but not enough. When the fuel pressure regulator is damaged, here are some of the signs you may start to notice. It had a fuel pressure regulator go bad up near the fuel rail. Every part listed is in stock and ready to. The fuel tank pressure seems to be greater the lower the level of fuel in the tank whenever I remove the cap. Fuel injectors are resilient and does not often need replacement. For aftermarket, performance fuel injectors click US-Euro or Asian Import High Performance on the left. Holly Fuel Pumps with Regulator: This is a very common combination and it has alot of problems. Replaced fuel filter. New listing Fuel Pressure Regulator Valve 0928400669 For 07-11 Opel Chevrolet Daewoo 2. The purpose of this is to provide a "pressure up" for improved starting when the engine is hot. Ok long story short. If you find a plug in this condition, check the rest of them. Either way, the tune-up should not be related to the problem unless something was accidentally damaged while it was performed. Does that sound familiar? Faulty fuel gauges are a common problem in collector cars. The fuel injector has two sides, one side of the injector is under pressure from the the fuel rail and the other side is air boosted by a turbo or a compressor. (Bad Cas, Out Of Timing, Bad Temp Sensor)? - posted in Technical Questions: S13 sr20det 1997 240sx Wiring done by aceupmotorsports T25 Cxracing fmic kit Greddy rz b. How to Troubleshoot a No Start (Nissan 3. During this step the OBDII system will look for misfires, fuel trim and EVAP purge. Mitchell 1 DIY searchable database provides online auto repair manuals, 1990 ALL OEM Technical Service Bulletins. The pressure in the fuel rail should cause fuel to leak out if the seal is damaged or torn. From the factory, the fuel pressure in our system is 3. 2005-2011 For Chevrolet Epica 2. There may be some risk to the vehicle's fuel system when using concentrated solvent to clean the injectors in place. The fuel damper (2. 1984 Nissan 300ZX wont start check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or. The Mass Air Flow (MAF) sensor measures the amount of air entering the engine and the Throttle Position Sensor (TPS) indicates throttle plate position and opening speed, and the driver's desired rate of. Testing the fuel pressure regulator is a simple task that requires some. Replaced fuel filter. An injector pressure drop test will tell you if the injectors are flowing evenly or not. This way you can get real time air/fuel readings that can alert you of any trouble signs or when the car is running too rich or too lean. fuel injection pressure test 2. The fuel gauge is one of an automobile's most important instruments. The pressure in the fuel rail should cause fuel to leak out if the seal is damaged or torn. Protected fuel hose (part 1644030P11, approx. $40) The fuel pressure regulator (1. A fuel pulsation damper is a device used to regulate the oscillation of fuel caused by the injectors opening and closing and smooth this out. At this point I had a bad O2 sensor codes appear twice now. 2006-2014 For Opel Antara 2. Buy or borrow a fuel pressure. The parts and labor required for this service are. Vacuum working against a spring-loaded diaphragm inside the regulator opens a bypass that shunts fuel back to the tank through a return line. The fuel pump is working. I did some research on this forum and elsewhere, and kept hearing the hint that it may be the fuel pressure regulator. Testing the fuel pressure regulator is a simple task that requires some. Finding an OEM fuel pressure regulator replacement of a recent motor might not be as challenging as our Dholaikhal has plenty in stock. This could be that the sensor needs replacing, or that your fuel pressure regulator isn't working properly, giving a super high fuel pressure, causing far too much fuel to be injected, causing the O2 sensor to be reading out of range. This was is my 4-runner. Now I changed spark plugs (wires aswell), ignition coil, distributor cap and rotor. The purpose of this is to provide a "pressure up" for improved starting when the engine is hot. 52mm displays trio amp oil pressure water temp VW AudiEUR 25,00. With the ignition "on" and the AFM flap pushed in, I can hear the fuel pump relay click, fuel pump come on, and an immediate hissing sound coming from my fuel pressure regulator. 2006-2014 For Daewoo Winstorm Max 2. Nissan 300ZX Fuel Pressure Regulator Replacement costs between $181 and $211 on average. Classic Aurora Mechanical Maintenance. A lot of the Diaphragms are starting to fail now, due mainly to the introduction of Ethanol & other additives into fuel. The pressure regulator vacuum is fed via solenoid which is under the control of the ECU. A fuel pulsation damper is a device used to regulate the oscillation of fuel caused by the injectors opening and closing and smooth this out. The Fuel Temp Sensor attaches to the fuel rail, and sends a signal to the ECU. The fuel pressure regulator is the device that maintains this 'pressure differential' such that the fuel delivery is linear per pulse-width of the injector. Choose top quality brands Beck Arnley, Bosch, Paraut, Standard Motor Products. 2 AFMs, 3 ECUs, 2 fuel pumps, a set of injectors, 2 sets of fuel pump relays all in under 5000 miles. Nissan OEM Fuel Temperature Sensor - Nissan 300ZX Z32. In this video I'll show how to perform an oxygen sensor response test, and how to inspect for a leaking fuel pressure regulator. If your car suffers from any of these symptoms, get it checked and change your fuel pump. If necessary, dropping a fuel tank is an involved process. Fits all 1990+ Nissan 300ZX models. So the easiest way to set the fuel pressure regulator is to disconnect the vacuum line going to it. If so-you have a fuel problem, check the fuel pressure to rule out the fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. If it is sooty, it could be a sign of a bad fuel pressure regulator. If you experience hard starts especially restarting a short period after shutting off the engine, then one possibility is a leaking fuel system. 0 D Chevrolet Opel 2. When the parts fail or begin to show symptoms of failing, it can have far-reaching implications to the viability of the automobile. Problem is still present so I went and replaced the fuel pump, fuel injectors, injector plugs, fuel pressure regulator, fuel filter (twice), Hoses, and new air filter. These symptoms can also be caused by a faulty fuel regulator or clogged fuel lines. Reason for Too Much Pressure in the Gas Tank Fuel pumps feed fuel to engine carburetors by pumping it from fuel tanks. This replacement item is thoroughly patterned after to work like the genuine fuel pump mounted on your car or truck. pressure gauge set 1. Every part listed is in stock and ready to. 95 Quantity in. specifically the fuel pressure regulator. 50 for naturally aspirated engines and 0. Hold at a steady speed of 55 to 60 mph for 5 minutes. Also replaced the two other IJ pump seals. Symptoms of a bad/failing engine coolant temperature sensor? it would go intermittently and cause the ECM to shut down the fuel pump. Page 2 of 3: My suggestion to you is to start by checking the ignition system. Bob Weber is an ASE-certified Master. 0 D Chevrolet Opel 2. Holly Fuel Pumps with Regulator: This is a very common combination and it has alot of problems. Not knowing a lot about the temprement of these cars, I am lost on this starting problem. Adjustable fuel pressure regulator attaches to the rail. The most common causes are in the ignition (for example, a bad ignition coil) or fuel system (for example, a clogged fuel filter). No sign of fuel or pressure. If you are getting fuel to the fuel rail and your fuel pump is operating, but the car still doesn t start, it s time to consider fuel pressure. In older cars, this was done using a carburetor system, which was not as fuel efficient and was harmful to the environment. Reason for Too Much Pressure in the Gas Tank Fuel pumps feed fuel to engine carburetors by pumping it from fuel tanks. Shop our selection and find the right fuel injectors for your repair. If so-you have a fuel problem, check the fuel pressure to rule out the fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. Maintenance Tips/Suggestions. A clogged fuel filter can make the pump work harder, potentially leading to early fuel pump failure, an expensive repair. Want an affordable yet high-quality Nissan 300ZX Fuel Pressure Regulator? Shop now and enjoy our lowest price guarantee and access to the best brands in the industry!. Now prepare the VG33 block for cleaning. Bear in mind I have only described symptomsno one has actually seen the car. Page 1 of 2 - S13 Sr20Det. 4 psi) PCV-valves:. 412 x 36) + 6 = 77. I ordered an ajustable fuel regulator to bring me back to the fuel pressure I need for the 300zx injectors, now as you said the computer will lean them out a little but not enough. pressure gauge set 1. The fuel pressure regulator is the device that maintains this 'pressure differential' such that the fuel delivery is linear per pulse-width of the injector. FUEL PRESSUREFUEL PRESSURE SPECIFICATIONSSPECIFICATIONS 2. Nissan Datsun 300ZX Parts; Nissan Datsun 300ZX Fuel Delivery; Nissan Datsun 300ZX Fuel Sensors, Relays And Electrical; Nissan Datsun 300ZX Fuel Pressure Regulator; Nissan Datsun 300ZX Fuel Pressure Regulator. Idle Stop Solenoids. Seems like the temp sensor is bad,. Where is the fuel pressure regulator located on a 2001 S10 LS 4. The 300ZX fuel line kit includes 8 sections of high quality reinforced high pressure fuel injection hose cut to length. on what value to adjust the fuel pressure - not every fuel pressure regulator has this! Adapter for oil pressure oil temp sensor tap 3/4 UNF - 16EUR 25,00. Fuel pressure regulator problem symptoms and the diagnosis Like any other mechanical equipment, the fuel pressure regulator can also fail, leading to many problems. Want Answer 0. swapped fpr from an 88na. Buy a 1991 Nissan 300ZX Fuel Pressure Regulator at discount prices. Step 5 Fuel Pump and Fuel Pressure Regulator. This means that at atmospheric pressure, or 0 PSI of boost, the fuel pressure will be at 3 bar. borderline fuel pressure? fuel pump going?. on what value to adjust the fuel pressure - not every fuel pressure regulator has this! Adapter for oil pressure oil temp sensor tap 3/4 UNF - 16EUR 25,00. Also changed the oil. This was is my 4-runner. Sometimes referred to as a FPD. Tried another fuel pump (used one from my 190E parts car). Most gasoline vehicles do not use the high pressure fuel pump, and will simply route pressurized fuel through a fuel pressure regulator, fuel rail, and fuel injector(s). When the engine is running, fuel system sensors supply engine load and driver demand info to the PCM so it can in turn calculate fuel flow. Should the Nissan 300ZX Fuel Pressure Regulator not be working correctly, the car could stall, halt and flood out. Install new injectors into the fuel rail with new o-ring (2 per injector)s. the fuel cap allows air in not out. Fuel pressure regulator The fuel pressure regulator(FPR) is the small metal can in front of the intake manifold on the centerline of the engine with a vacum hose coming out the top. To test the fuel pressure, Tee-in a tempoarary fuel pressure gauge at the output side of the fuel filter. ) keeps the pressure in the fuel system (including the fuel tank) at 43. Checked fuel pressures in line between fuel distributor and warm-up regulator (1 bar at cold start rising to 3. The parts and labor required for this service are. In the attempts to reduce my fuel pressure I replaced the regulator with marked improvement but still not as low as I would like. vg30e/vg30et hesitation, backfire caused by intake valve deposits-intake valve deposits caused by combination of fuel quality and driving conditions-diagnosticprocedure determine whether or not incident symptoms are result of intake valvedeposits-all 1984-87 nissan 300zx (z31), 1985-87 maxima (u11) and 1987 200zx (s12) (vg30e) engines tlh. Connect the cleaning kit to the fuel port on the fuel rail. If it s dry, your Fuel Pressure Regulator could be faulty. The fuel system in your car includes, among other components, a fuel pump, a rail that carries the fuel to the engine and a fuel pressure regulator. This causes the fuel pressure in the injector rail to rise when engine load increases (and vacuum drops). Nissan parts dept says there is no fuel pressure regulator. Glow Plug Sensor. Nissan Datsun 300ZX Parts; Nissan Datsun 300ZX Fuel Delivery; Nissan Datsun 300ZX Fuel Sensors, Relays And Electrical; Nissan Datsun 300ZX Fuel Pressure Regulator; Nissan Datsun 300ZX Fuel Pressure Regulator. 2006-2014 For Chevrolet Captiva 2. pressure gauge set of 100psi fuel injection fuel pressure. The signal voltage reads anywhere from 3. There's no fuel smell when I drive or even accelerate. The fuel pressure regulator is the device that maintains this 'pressure differential' such that the fuel delivery is linear per pulse-width of the injector. I am looking for a deal on a fuel distributor and pressure regulatorinstall those and a fresh set of plugs and see what happens. The problem was a defective fuel-pressure regulator that allowed an uncontrolled amount of fuel to be drawn by the intake manifold vacuum into the cylinders. Idle Stop Solenoids. 50 for naturally aspirated engines and 0. The control pressure regulator, or warm-up regulator, is located at the back of the intake manifold. I ordered an ajustable fuel regulator to bring me back to the fuel pressure I need for the 300zx injectors, now as you said the computer will lean them out a little but not enough. before servicing the fuel filter/fuel pressure regulator, the fuel system pressure must be released. Carter High Volume Low Pressure Fuel pump with Mounting Bracket kit Click here if you Need Help or have a question about this product This is the pump to use for Dual, Triple, or Quad IDF/IDA Webers or any Track car with a 2 Barrel or more Weber carb. pressure gauge set of 100psi fuel injection fuel pressure. (400 kPa plus or minus 34 kPa). the PRVR increases fuel. Most of the time it doesn't start the first time but the second time you try it fires right up. There's no fuel smell when I drive or even accelerate. 2 after 20min 2. If you find a plug in this condition, check the rest of them. v Car idles 1000-2000 rpm until. However, I wanted to post all of my symptoms before I jump to any conclusions. It wouldn't run very far. They replaced the Tandem Fuel pump with part# 038-145-209-E. The 300ZX fuel line kit includes 8 sections of high quality reinforced high pressure fuel injection hose cut to length. Your car won’t start at all. Symptoms of a bad/failing engine coolant temperature sensor? it would go intermittently and cause the ECM to shut down the fuel pump. The fuel injectors then spray a fine mist of gasoline into the combustion chamber. The injectors barely spit a little fuel. Hard warm start, fuel temp sensor I noticed today the 2002 Jetta TDI took a long time to startup (maybe 7 sec) while it was warm running afternoon errands. VG33 BLOCK PREP. It wouldn't run very far. But cant I also lean them out a little more as well by reducing the line pressure farther then the stock spec for the 300zx injectors?. car cranks and starts but then wants to die off. We've even got regulators for diesel-powered and E85. Most gasoline vehicles do not use the high pressure fuel pump, and will simply route pressurized fuel through a fuel pressure regulator, fuel rail, and fuel injector(s). Usually ships in: 3-5 days. Page 95 of 1526 Free PDF Manual Download for Nissan 300 ZX. Here's How You Diagnose An Engine That Won't Start. A broken fuel pressure damper can mean a lot of trouble while driving?your engine will receive insufficient pressure if the pressure damper is leaking or. Checked small strainer at inlet to fuel dsitributor. It’s difficult to see it without removing the coil. If gauge readings indicate lower pressure than normal, start the engine and block the return fuel line by pinching the hose with a pair of pliers using a shop rag to avoid damage to the fuel hose. So if you know the problem of your car, just come to Nissan Parts Deal to find the OEM Nissan 300ZX Fuel Pressure Regulator you need. I have power and pulse to fuel injectors, fuel pressure by the fuel filter, compression. Choose top quality brands Beck Arnley, Bosch, Paraut, Standard Motor Products. Either way, the tune-up should not be related to the problem unless something was accidentally damaged while it was performed. 4 psi) PCV-valves:. Page 3 of 3: Lack of Spark, or Fuel, or Compression will cause a Cranks but Does Not Start. The fuel pressure at idle should be approximately 2. $40) The fuel pressure regulator (1. Still no pressure. Also, because the truck starts fine when warm and the dipstick doesn't smell like gas, I didn't expect a leaking injector. If you end up replacing your fuel pressure. 91 300zx engine sputtering after about 45min of driving submitted 4 years ago by kmesh300 Okay so I got my 300zx a week ago and noticed that my engine will start to sputter and become weak after about 45min of driving. Horn Relays. This vacum signal is controlled by a vacum solenoid located beside the ignition coil on the driver's side fender. Troubleshooting Fuel Pressure Regulator Problems November 7, 2014 By 1 Comment A bad fuel pressure regulator will waste the gasoline you put in your car's tank by letting too much fuel into the engine, or starve the engine by not providing it with enough fuel. I have changed the fuel filter and the fuel pump is pumping fuel. Disconnect the vacuum line from the pressure regulator (pic 9) andthe fuel pressure should rise to ~3 bar (~43. At the time, he did say that the fuel system initially tested a little low, but quickly went into the normal range and stayed there. The most common fuel system problems that can cause idle issues are a malfunctioning fuel pressure regulator or dirty or leaking fuel injectors.