About my Pontiac Grand Prix 3.8L

Tiny
MBAHE
  • MEMBER
  • 2003 PONTIAC GRAND PRIX
  • 3.8L
  • 4WD
  • AUTOMATIC
  • 152,000 MILES
When I turn the car on to warm up, I have to wait for 30minutes until it finally starts to shift. And when I drive it on the road it tends to suddenly speed up, And when I am parked at the intersection it turns off or sometimes it will shake.
Wednesday, September 3rd, 2014 AT 11:57 AM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Have atrans guy scan for codes first sounds like an internal tran sproblem
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Wednesday, September 3rd, 2014 AT 12:20 PM
Tiny
MBAHE
  • MEMBER
  • 2 POSTS
How would a product called "TRANS X" work? Is it worth a try? I heard of other people telling me to use it. If this car is taking a lot of money out of my pocket to fix, I might as well sell it to someone who knows about it. I'm no mechanic, and selling it would be a great idea.
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Friday, September 5th, 2014 AT 9:20 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
I do not endorse products that supposedly "fix" problems. Through my personal experience I have found that most do not work
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Friday, September 5th, 2014 AT 9:33 AM

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