Question about 1998 Pontiac Grand Prix
It should be located on the outside of the frame rail,forward of the right front tire. It should look like a ceramic type ballist with a pigtail and one bolt holding it on. If the pigtail has a connector dont forget to check for water, rust, etc. also check for wire damage. It should be the culprit though since by jumping the relay you are in theroy bypassing the resistor. I hope this is correct I didnt have time to pull a diagram and look at it but I am pretty sure this is correct. Thank you for your vote and comment. I hope this helps, good luck my friend.
Posted on Jul 27, 2009
That relay is the fuel pump speed control the pcm energizes and deenergizes it depending on fuel volume needed. I am assuming you have changed that relay if so you have a problem with the resister or wiring maybe even pcm. Sounds like before you jumped it there was not enough system voltage. I suggest if you are familliar with electric you get a good wiring diagram and specs to locate problem. When I go to work I will see if I can get a wiring diagram to better assist you there maybe a bad ground.
Posted on Jul 25, 2009
It sounds like the fuel pump is shot. it might also be a plugged fuel filter but if it hasent been changed in a while it will wipe out the pump. the pumps are located inside the tank and sometimes there is an access panel located under the carpet in the trunk so you won't have to drop the tank
Posted on Jun 22, 2009
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Posted on Jan 02, 2017
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