Question about 1990 Chevrolet Astro Extended

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My fuel is not getting into the fuel regulator.but the fuel pump has fire

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If youre pump is running and you have no pressure i would remave pump from tank and replace the rubber line between the pump and metal,plastic line the hose gets a small crack and loses pressure back into the tank

Posted on Jul 13, 2009

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2 Answers

Will fuel pressure regulator stop engine from starting


Yes it can if it can't maintain the correct fuel pressure. I would also check that the injectors are getting a signal from the ECM.

Feb 07, 2015 | 2003 Buick Century

1 Answer

Car runs fine at times then will not start. Sprayed carb cleaner in air filter and then it starts but dies when i start. The next day car starts and runs fine.


It sounds like your car isn't getting the proper amount of gas. You say your mechanic changed the fuel pump and the regulator. Id have him run a diagnostic tool on it to see if it throws any other codes. Its getting fire. Try changing the FUEL FILTER. it maybe clogged. maybe the pressure regulator is not giving it enough pressure to push the gas into the engine or maybe the fuel pump is only working at times. Does it run good and then start to spit and spudder then die? if so its not getting gas some how. Idk if you can adjust the pressure regulator or not. i mostly work on old school cars.

Apr 07, 2014 | 1998 Saturn SL

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Fuel pump relay diagrams


auto shutoff relay controls both fuel and fire..the parts store can tell you for sure..

Jan 05, 2014 | Cars & Trucks

1 Answer

Engine firing order


If the leads or not correct for the firing order you will have a pronounced miss/ back fire or hard to start. If the fuse to the fuel pump keeps blowing then the pump is shorting out or is drawing too much current in it's operation. Acceleration will demand a plentiful supply of fuel and if the pump is having problems replace the pump . have the fault codes read and have a fuel pressure test done on the fuel manifold to check -filter and fuel regulator operation

Nov 21, 2013 | Cars & Trucks

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2000 lincoln ls want start. replace fuel pump and fuel pump relay.


have you checked the fuel pressure regulater or the map sensor

Mar 20, 2012 | 2001 Lincoln LS V8

1 Answer

1997 GMC Sierra 5.7 Vortec, pickup died last night and there is power to the fuel pump, have only 15 psi on the rail and a new oem pump was installed less than 3 yrs ago. Getting fire and was wondering...


A fuel filter won't clog completely in 3 years
and won't get you down to 15# if it did

What is fire?

Voltage to pump or ignition spark?

What about pressure regulator?

Feb 09, 2011 | 1995 GMC Sierra C1500

1 Answer

Fuel is not going to the railengin is fireing just no gas what could cause it


Check the fuel pump for voltage. If there is no voltage, it could be the pump relay. Swap another relay of the same type with the fuel pump relay. If that doesn't work, then the pump itself is probably bad. If the fuel pump is getting voltage, fuel filter and fuel pressure regulator are the next things to check. Usually a dirty filter won't completely restrict the flow of fuel. You can check to see if fuel is reaching the pressure regulator by disconnecting the inlet fuel line and cranking the engine.

Dec 23, 2010 | Ford Mustang Cars & Trucks

1 Answer

There is no fire going to the fuel pump regulator and no fire coming out of the fuel pump regulator to the fuel pump. What would cause this problem for my 1998 chevy 1500 pick up 6 cylinder engine?


Do you mean electrical current?

If so it means that the fuel pump relay is not getting 12volts from the battery OR it's not sending 12volts to the regulator OR the regulator is stuck in the open position thereby not grounding.

Mar 29, 2010 | Chevrolet Express Cars & Trucks

1 Answer

How to test fuel pressure


I have been working on a simular problem on my daughter's vehicle. with the following additional symptoms. It only fails while hot. Runing fuel preassure checks, I noticed that the preassure rises from 30 psi while running to 40 psi after turning off the hot engine. This is caused by the expansion of the fuel in the rail. I believe that this hgh preassure is causing the regulator to stick closed preventing the fuel to get to the rail during a restart, (as the preassure drops to 0 while the fuel pump does whirrrr during the startup proceedure). It seems to free up after it has cooled then works normally. We ordered a new regulator but haven't received it yet to see if this fixes the problem. There is a possibility that the problem is a weak pump that cannot overcome the stuck regulator but since all the checks are in spec, I'm leaning toward the regulator at the moment.

Oct 19, 2009 | 2001 Ford Expedition

1 Answer

Car wont idle properly tried lots need help now


you could have partially clogged fuel injectors.or you getting a lean misfire check your fuel pressure .it should be.41 -47 psi.if low replace fuel filter.if dont help.you got fuel pump problems.check all vacuum lines.+ the vacuum line that goes to fuel pressure regulator.

Apr 22, 2009 | Pontiac Sunfire Cars & Trucks

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