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Fuel pump pressure specs on chevy 350 1975 - Cars & Trucks

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Fuel injected 52psi or carb is 7 psi

Posted on Oct 14, 2013

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SOURCE: 01 chevy blazer fuel trouble

replace the fuel pump electrical wire harness.

Posted on May 25, 2009

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SOURCE: need fuel pressure info

fuel pressure specs are as follows:
5.0 &5.7L 60-66 psi
7.4L 55-62 psi

Posted on Jul 07, 2009

  • 2 Answers

SOURCE: fuel info

5.7 is 60-66 PSI OR (4.2 kg/4.6 cm2) . 5.3 is 55-62 PSI (4.0kg/4.4cm2)

Posted on Jul 09, 2009

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SOURCE: fuel pump pressure specs

The fuel pump specs are 14 psi. and 20 gallons an hour.

Posted on Sep 08, 2009

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SOURCE: What is the fuel pressure specs on a 2002 Chevy

key on engine not running 55 to 65psi,should decrease 3 to 10psi with engine running at idle.

Posted on Oct 04, 2009

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I put a new fuel pump and filter in my 99 chevy truck and it starts up for a couple of seconds and dies


make sure the security is not triggered. Is the light flashing? It is on if flashing when you are trying to start the truck.
Maybe your pump is not on? Sure way to tell is to put a fuel pressure gauge onto the test port on the fuel rail, then turn the key to on. Don't know your specs , but probably around 45-50 LBS of pressure. Do you hear the fuel pump turn on for 2 seconds when turning the key to on? If not, and you have no fuel pressure, you need to investigate the fuel pump wiring. Also there is a fuse for the pump, probably in the Power Distribution Center (the relay and fuse block) under the hood.

Dec 17, 2016 | Chevrolet Cars & Trucks

1 Answer

My fuel pump seems to be pumping gas but my van wont start 02 chevy venture cranks gets fire an gas but wont start


Just because it pumps gas doesn't mean it is at the exact pressure it should be? Most fuel pumps have a psi of 40 to 45 psi, your fuel pump could be pumping at 25 psi or less which is not enough to start your car even though you can see some fuel pumping out. A simple tool to check fuel pressure can be bought at any auto parts store, check the specs on the fuel pump for your 02 Chevy first to see at what pressure it works, then use the fuel pressure gauge to check it. Anything less than what the specs on your fuel pump are suppose to be and you have a bad fuel pump?

Let's say your fuel pump works at 43psi, you hook up the fuel pressure gauge and you find that it reads 25 to 30 psi, that means it's not enough fuel pressure to start your engine.

Jun 07, 2015 | 2002 Chevrolet Venture

1 Answer

454 mechanical fuel pump , wont stay running


Not enough fuel pressure if this truck is fuel injected.In 1999 chevy fuel systems need at least 52 psi to open the popet valve inside the injector to allow fuel thru.Fuel pressure specs are 60-66 psi with on and engine off.

Dec 04, 2011 | 1999 Chevrolet Silverado 1500

1 Answer

Occasionally my 98 chevy P/U won't start. The fuel pump does not run. If I fool around with the Ignition switch I eventually get the fuel pump to run, then it will start and run fine.


The fuel pump only comes on for 2 seconds when the ignition switch is turned on until it starts.I would check the fuel pressure it should be 60-66 psi with key on engine off.Sounds like a weak fuel pump to me you'll know once you check the pressure.If its not within specs replace pump.

May 10, 2011 | Chevrolet 1500 Cars & Trucks

1 Answer

I have 1998 Chevy 1500 Pickup. The truck acts like its hitting a rev limiter and stumbles when you floor it. If you ease down the gas it goes fine until you floor it. Could this be fuel filter or maybe...


yes, it is very possible that it could be the fuel filter, or the pump, how long has it been since the fuel filter has been replaced, i would replace the fuel filter 1st, then if it solves the problem, then your ok, " but if it still gives you the problem, then give the truck a fuel pressure test to see if the fuel pressure is within the specs, if pressure is ok, then i would check for any vacuum leaks, including hose from brake booster to manifold. if fuel pressure is not within the specs or low, i would replace the fuel pump, hope that this information has helped.

Feb 17, 2011 | 1999 Chevrolet Silverado 1500

2 Answers

Fuel pump pressure specs


The fuel pump specs are 14 psi. and 20 gallons an hour.

Sep 08, 2009 | 1991 Chevrolet S-10 Blazer

2 Answers

Fuel info


5.7 is 60-66 PSI OR (4.2 kg/4.6 cm2) . 5.3 is 55-62 PSI (4.0kg/4.4cm2)

Jul 09, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

Need fuel pressure info


fuel pressure specs are as follows:
5.0 &5.7L 60-66 psi
7.4L 55-62 psi

Jul 07, 2009 | 2000 Chevrolet Silverado 1500

1 Answer

OXYGEN SENSOR OR FUEL PUMP?


Change the fuel filter, check the fuel pressure, then pull the tank and replace the pump if the pressure is below spec.

Mar 18, 2009 | 1996 Chevrolet K1500

1 Answer

2002 chevy siliverado will turn over, but will not start


I would verify fuel pressure is in spec.On the back of the motor on the drivers side you will find a shrader valve(kinda like a valve stem on a tire)Its just alittle larger.You can buy a fuel pressure gauge at your local parts house and they can give you the spec as well.If its not in spec the pump is in the gas tank.

Mar 08, 2009 | 2002 Chevrolet Silverado

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