Question about 2004 Pontiac Grand Am
It doesn't sound like its getting enough gas to start
To properly check fuel pump you need to install a fuel pressure gage in the system and it should be about 35lbs pressure, if its not within about 3 to 5lbs if not then the pump will need to be replaced, change the fuel filter also.
Posted on May 09, 2014
Spray a quick mist of starting fluid into air cleaner hose. Reinstall. If vehicle starts then shut off, suspect possible faulty fuel pump relay, fuel pump fuse, fuel pump, or wiring
Posted on May 09, 2014
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Posted on Jan 02, 2017
yep i seen it in happen .i was at a gas station a guy drove car to the gas station on empty.he fill his tank up .could not get it to crank .some cars you have to restart fuel pump when run out of gas. like chrysler.you use a scanner. but chervrolet you run low over heat damage the pump.it has to stay submerge gas to keep it cool. check fuel pump pressure.it should be 41 - 47 psi.
Posted on May 05, 2009
the fuel pump will cause a no start, no other symptoms in most cases, the water pump will leak coolant and in some cases rattle
Posted on Jul 14, 2009
ok if the fuel pump is energizing and you can hear it turn on then the pump is working fine and you probably have a restriction. i would replace the fuel filter. when you replace the pump did you replace the strainer on the pump? if not then thats where your problem lies. also could be the fuel pressure regulator also. there is a schrader port on the fuel rail try taking a pen and press down on the core to see if fuel squirts out. or connect a fuel pressure guage to the port and see if you have the right fuel pressure. it should run between 35 and 47 psi
Posted on Aug 09, 2009
The fuel pump is in the fuel tank.Sit in the car.....turn on the ignition switch to run.....listen very closely to the rear of the car...or have someone kneel down by the back wheel.....you should hear a "prime cycle"......the pump running for 2 or 3 seconds if the key was off for 15 seconds before trying this.If you hear silence you most likely need a fuel pump.Before pulling the tank down....check for power on the gray wire at the fuel tank connector just ahead of the rear axle under the car.Check for power with a test light that will last for 2 to 3 seconds as you turn on the key to run.Power means you really most likely need a pump.No power means you may need a fuse or a fuel pump relay.
Posted on Aug 11, 2009
Is the security light active? If yes it will have to get reprogrammed by the GM dealer as GM has this as a propriatory system... Meaning no one else can work on it.
Posted on Sep 14, 2009
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