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Is there a fuel pressure regulator on my 83 and if so where because my truck runs out of fuel and salls I got to turn it off and on about 3 times then it will go for a bit do it all over again

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  • Cars & Trucks Master
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Most likely you don't have a regulator. Try replacing the fuel filter first.

Posted on Apr 26, 2015

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My 2001vw passat some times won't start unless i use starting fluid.I have changed air filter and spark plugs. When i hook it up no codes come up


Troubleshooting steps:
  1. When you first turn the key on, listen for the sound of the FUEL PUMP (humming sound). If you just turn the key on but don't turn it to START, the fuel pump should run for no more than 3-5 seconds. If it does, continue troubleshooting;
  2. If the FUEL PUMP runs longer than 3-5 seconds, check for fuel leaks.
  3. Test pressure at the fuel rail. If pressure is erratic or too high at idle, replace the fuel pressure regulator;
  4. If fuel pressure is too low at idle, replace the fuel filter. Still too low? Replace the fuel pump and fuel pickup strainer.

Jul 30, 2014 | Cars & Trucks

1 Answer

Will turn over will not start unless you spary ether in carb. will run then the next day you have to do the same thing


You need to do a fuel pressure test to find out what the problem is. I have ran into this before about 3 times. actually and everytime it turned out to be the fuel pump that is in the fuel tank It has check valve that holds a certain amount of fuel in the fuel rail when the car sits over night. The other thing is the fuel pressure regulator. You can get a gauge at auto parts store that connects into the fuel rail to see what the pressure is. The fuel pressure should hold to at least 10 to 15 lbs all the time. If it drops to zero that you have a problem with the pump or regulator.

Dec 14, 2010 | 1996 Chevrolet Blazer

1 Answer

My 2004 pontiac grand prix will not start on the first or second try.


Would you describe it as it cranks over normally but takes longer to start than normal especially if the engine is hot and sits for about 15 to 20 minutes before trying to start?

The first thing I would check is the fuel pressure regulator. It will be located on the fuel rail on the drivers front of the engine. It will be a round looking part held into the rail with a snap ring. It will have a small vacuum hose attached to it. Remove the vacuum hose and see if gas comes out of the nipple. If it does than the regulator is bad and will need to be replaced.

Two things happen when the regulators leak like this. the first is that fuel pressure drops. Low fuel pressure makes the fuel easier to boil in a hot engine. Fuel injector need liquid fuel to work properly. the other is that unmetered fuel ends up in the intake essentially flooding the engine. In both cases the engine eill need to be cranked over long enough to clear the flooded condition and for the fuel pump to run long enough to push liquid fuel back into the fuuel rail and restore fuel pressure.

Here's a trick to try next time. Turn the key to the run position (do not turn it all the way to the crank position). Wait 5 seconds and turn the key off then imediately turn the key back to the run position and wait another 5 seconds. Repeat this 3 or 4 times then crank the engine over. If it starts right up every time than you definitely have an issue with fuel pressure bleeding off.

The most common cause is a leaking pressure regulator but it can also be the fuel pump.

Oct 12, 2010 | 2004 Pontiac Grand Prix

1 Answer

94 lt1 cranks a while before car starts. When car starts the car runs fine.


You may be losing fuel pressure. There is a fuel pressure regulator in the fuel line. It has a check valve in it. If the check valve is bleeding off then you have to get fuel pressure pumped back up. You can verify by turning the key on and letting it sit for about 5 seconds, turn off and then back on and repeat 3 times. This will pump fuel back up to the regulator and should start right away.

Sep 14, 2010 | 1994 Chevrolet Camaro

1 Answer

My 2003 malibu with turn over but not start fule pump is getting 55 lbs of pressure at filter and rail if you spray start fluid in it it will start and run until it runs out of start fluid could this be a...


Signs of a Bad Fuel Pressure Regulator
the vehicle will not start, if a bad regulator. Usually, this is a problem that is encountered in the morning when you start your vehicle. Many a times, the engine starts, but stalls shortly after starting. check the fuse and relay for pump. also remove line to fuel pressure regulator and if fuel in line, replace fuel pressure regulator. check for spark and also the timing belt. its one sign of not starting. if car runs fine on spray, I would not say its the timing belt or chain.

Aug 05, 2010 | 2003 Chevrolet Malibu

1 Answer

On my '83 Volkswagen Jetta that I am trying to get running-- It will run for about 3-4 seconds and then stall. Any ideas?


You have the bosch CIS fuel injection system, it's a cold start issue which may point to either a bad fuel pump check valve OR an issue with the warm up regulator.

You will need a special $$$$$$ fuel pressure guage to check ALL the pressures and then you will find the exact cause.

VERY expensive parts and labor is just as expensive.

Mar 29, 2010 | 1983 Volkswagen Jetta

2 Answers

Have a 98 gmc 5.7 truck have to prime to start truck.


Sounds to me like either your pressure regulator is bad or you have a loose fitting somewhere in the fuel line from the fuel pump to the engine. When you turn your key to the on position, you should hear the whine of the fuel pump until it builds pressure. When you shut the truck off the pressure regulator should retain the pressure for a certain amount of time but if it don't close then air is allowed into the fuel line and the fuel drains down to fuel line away from the engine. Next time you try and start the truck after it has sat for a while try turning the key on until you hear the fuel pump whine shut off, then repeat it 3-5 times and then try to start it. Basically that is running the pump enough to get the fuel back up to the injectors. Check for loose fittings in the fuel line, or cracks in the fuel line and if all that is fine then replace the regulator.

Hope that helps

Oct 03, 2009 | GMC K1500 Cars & Trucks

1 Answer

Have to turn ign. on&off 3 times to prime it to start.


you have pressure bleedng off due to a bad check valve in the fuel pump or a bad pressure regulator (on the fuel rail) letting pressure bleed off.

When you turn the key on & off, it starts the fuel pump for 2 seconds each time. The pump turns off after 2 seconds unless the engine is running. The pump runs all the time during crank mode.
But you need 40 psi when you start cranking so the injectors can spray fuel into the cylinders.
please rate as fixya if this identifies your issue. Good luck.

Mar 11, 2009 | 1999 Ford Explorer

1 Answer

Hard starting, excessive crank time


try changing the fuel filter and turn the key on and off several times before starting engine. once running check the vaccum line on the fuel pressure regulator.the regulator can leak fuel from that connection.

Feb 27, 2009 | 1996 Chevrolet Blazer

2 Answers

Good fuel pressure. engine turns will not start. runs if primed through trottle body.


Replace the fuel pressure regulator in the intake plenum. This is the No. 1 problem for hard starting with the 4.3 L engine. It leaks fuel and loses fuel pressure when sitting for a few hours. You can try to cycle starter for a split second without cranking wait 3 seconds the turn key OFF then repete 3 times then tryto start. This will build up lossed fuel pressure and verify leaky fuel pressure regulator. Joe ASE Master Tech

Feb 22, 2009 | 1999 Chevrolet S-10 Pickup

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