Major Problem

**MJR** · 07-08-2013

I am seeking help with an intermittent problem with a 2004 Grand Prix. I will be driving along and the engine cuts-off. This generally only happens when it is a hot day or if the car has been sitting in the sun. Generally I can restart the car immediately; the only exception has been when it was a super-hot day and it would not restart for about 15 minutes. Does anyone have any experience with this?

Also, where is the access to the fuel pump on this car? I know it is in the trunk for some models.

**BillBoost37** · 07-08-2013

That sounds pretty common for a crank sensor. Have you gotten any codes from it at all?

**MJR** · 07-08-2013

No codes. Just replaced the crank sensor...didn't even make it home from the shop before it happened again.

**Below Average Joe** · 07-08-2013

there is no access panel for the pump in 04+ GP's

**REDCRAPGP** · 07-08-2013

Originally Posted by Below Average Joe

there is no access panel for the pump in 04+ GP's

Yea there is 04 can access from trunk. I believe some 05s had it as well. 06-08 I believe they switched it again.

To OP pull the rear seat down and then lift up the carpet from the trunk should see the access panel

**dsmuts** · 07-08-2013

This ^^^

**Below Average Joe** · 07-08-2013

I had no idea....I stand corrected lol

**REDCRAPGP** · 07-08-2013

Lol you'll be grateful if you ever end up having to change it

**BillBoost37** · 07-09-2013

Ok.. if the crank sensor didn't do it and you have no codes. Try unplugging the maf sensor and starting the car. Might take a little throttle to get it running. Drive w/o the maf connector on for a bit and see if it stalls.

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