2001 Grand Am Problems [Archive] - GrandAmGT.com Forum

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ecniv
08-09-2007, 06:51 PM
Hello, first post on the forum, and I have a question. My next door neighbor has a 2001 Grand Am, 3.4, A4, and it's having a strange driveability issue. The car is extremely sluggish, won't rev over 4000 RPM, and the engine "surges" while cruising.

This started about two days ago. The car has 102,000 miles on it, and has been trouble free up until this point. There are no DTCs. I'm going to check fuel pressure, and change the fuel filter (it's never been changed, and it's at least a place to start). Does anyone know what the nominal fuel pressure should be for this car? If anyone can give me some ideas as to what might be, I'd greatly appreciate it.

AaronGAGT
08-09-2007, 06:59 PM
maybe a misfire?

ecniv
08-09-2007, 07:05 PM
Could be. Wouldn't a misfire throw a code? Can anyone tell me the how to test the coil packs? I am mainly a Chevy LT1/old small block Chevy guy, this is my first 3.4 adventure, and I'm kind of flying blind.

angrysk8r
08-09-2007, 10:11 PM
Check the coil packs, plug wires, and plugs.