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5.3

fairly significant

Typical Repair Cost:

$5.00

Average Mileage:

72,343 miles

Total Complaints:

3 complaints

Most common solutions:

  1. not sure (2 reports)
  2. clean the throttle body (1 reports)
Pontiac Grand Prix engine problems

engine problem

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A D V E R T I S E M E N T S

problem #3

2007Jan 01

Grand Prix GT 3.8L V6

  • Automatic transmission
  • 60,000 miles

Had the same problem as above, car would start fine in the morning but after being shut off for a few minutes it wouldn't want to start up again. Quite annoying...dealership wouldn't do anything about it, they claimed because it was intermittent they couldn't identify the problem. On a whim I checked the throttle body, it was very dirty so I cleaned that out and haven't had a problem since. Cost about $5.00 for the can of throttle body cleaner and a rag. If you aren't sure how to clean it yourself, there are videos/descriptions online of how to clean a throttle body. You can also take it in to have it done, should be under $100 for sure to have it done. Hope that helps-

hiemstraj

Royal Oak, MI, USA

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problem #2

2009Feb 03

Grand Prix GT2

  • Automatic transmission
  • 90,000 miles

When I go to start my car in the morning it usually starts right up. But when I go somewhere and come back out to the car and try to start it will it is still warm it stalls. I have to pump the gas peddle to keep it going. My check engine light is now on as well.

halley

Janesville, WI, USA

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problem #1

2008Dec 23

Grand Prix GT 3.8L V6

  • Automatic transmission
  • 67,028 miles

This has been happening since last summer. I don't have the money to fix it so I'm not going to yet. I don't think there are any big mechanical problems but it fails to start almost every time. I'll keep reporting as it happens and maybe get around to checking out the problem.

jacobm

Harrisonburg, VA, USA

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