6.0
fairly significantTypical Repair Cost:
no data
Average Mileage:
144,000 miles
Total Complaints:
1 complaints
Most common solutions:
- not sure (1 reports)
transmission problem
Helpful Websites About 1999 Pontiac Grand Prix wont shift into overdrive
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A D V E R T I S E M E N T S
2009Apr 11
Grand Prix GTP 3.8L Supercharge
I have a Pontiac Grand Prix GTP 99'. The car shifts great 1-2 2-3, but it wont go into overdrive. When i'm traveling down the road at 60mph the engine runs at 2500rpm's. It's a real bitch on gas and nobody can tell me what to do to fix it.
supercharged_gtp99
Marengo, IA, USA
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