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Pontiac Grand Prix Fuel System

46 messages,  Last post on Nov 15, 2009 at 4:27 PM

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What is this discussion about? Pontiac Grand Prix, Fuel System, Sedan

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#38 of 46 Re: fuel level gauge not reading correctly [ragella] by Fast_Eddie18 Nov 28, 2008 (7:08 pm)
Replying to: ragella (Nov 28, 2008 11:51 am) I just wanted to share this information with all the Grand Prix owners. To access the fuel pump assembly on a 2000 model year & (Other model years), you do not need to drop the tank. In the trunk behind the rear passenger seat there is an access cover for the fuel pump under the trunk carpeting.   I stopped by my local dealership today and asked about other possible causes for the fuel gage reading incorrectly. The next step after replacing the fuel sender unit and still having the gauge read incorrectly is to trace the wiring up to the front car. Looking for burned spots or animal chew spots in the wiring. The service manager did say they have a special tool to flash the gauge cluster to test for functioning. Cost is $25.00 I would imagine there would be an additional labor charge too.
#39 of 46 2000 GTP FUEL INJECTOR PROBLEM by bigskidogg Dec 03, 2008 (9:54 pm)
#40 of 46 2000 GTP FUEL INJECTOR PROBLEM by bigskidogg Jun 17, 2008 (9:48 am)
2000 gtp error codes po203 (injector circuit open cylinder 3) and po303 (cylinder 3 misfire) i think i need to replace injector # 3 and was wondering if anyone has gone thru this procedure? looking at the chilton manual it seems possible to do on my own i am just a bit confused on if i need to remove the whole fuel rail assembly or can i just pull out injector # 3 by itself without taking off the fuel rail. if anyone has any info on this it would be greatly appreciated.
#41 of 46 grand prix 2000 GT by brendadel Dec 03, 2008 (9:54 pm)
at times while driving my car when accelerating my car jerks before the gear is released and also I can be at a stop sign and my car turns off. It accelerates on its own and decelerates while driving and especially parked and when stopped at a stop sign and light to where it either turns off completely or feels like it will turn off. Could this be my fuel pump or crakshaft?? please help. thanks
#42 of 46 Re: fuel issues [lennixandlou] by kaml Jun 25, 2009 (9:22 am)
Replying to: lennixandlou (Jun 27, 2008 2:49 pm) i have a 1993 grand prix 3.1L and it's not getting power to the fuel pump relay when the rest of the relays(AC comp., primary & secondary cooling fans) are getting power. Is there a kill switch or a fuel pump resistor i need to know about?
#43 of 46 2000 GTP MISFIRE AND INJECTOR PROBLEMS by gtp00 Jul 17, 2009 (2:44 pm)
I HAVE A 2000 GRAND PRIX GTP WITH CODES P0203 AND P0303. I DO KNOW IF THE INJECTOR IS BAD OR THE WIRING HARNES IS BAD? I HAVE REPLACED ALL THE COILS AND THE IGNITION MODULE.
#44 of 46 Fuel Gauge not working properly by d588996p Jul 26, 2009 (3:07 pm)
My fuel gauge is not working right. when I start the car it reads where it is, but when i drive it moves up and doesnt show me where it is until i start it again. it doesnt show if unless i keep turning it on to check. I thought it was the floater from the fuel pump but most floater issues have the needle stuck in one point not moving up and down, or moving up and returning down when stoppping. I dont want to replace the pump yet cause they are asking for 1000 Dollars. I think it might just be the gauge, other that the needle issue everything runs fine, no stalls no hard starts. turns on first try no problems,
#45 of 46 Re: fuel level gauge not reading correctly [Fast_Eddie18] by d588996p Jul 26, 2009 (3:19 pm)
Replying to: Fast_Eddie18 (Nov 27, 2008 5:30 am) did you ever find a solution the the gauge problem? I dont want to spend 1000 on a new tank if I dont need it.
#46 of 46 fuel filter location? by erndog02 Nov 15, 2009 (4:27 pm)
Hi I'm trying to help a bud replace his fuel filter on a 93 prand prix se. Here it be?

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