I have a 2007 Grand Prix and tonight, when I accelerated on the highway the whole front end starting bouncing around and noticed the RPM's were staying around 1000 rpm's. what would cause that?

Asked by Jan 26, 2014 at 05:57 PM about the 2007 Pontiac Grand Prix

Question type: Maintenance & Repair

when I accelerate, the rpms go up, there is a strange sound coming from the car and then the RPM's go back down to 1000, I tried Cruise and the rpms still dropped on Cruise, any ideas?

1 Answer

72,435

Sounds like the transmission is slipping. Have you checked the transmission fluid level? Could be low. HTH. -Jim

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