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Why is your service engine light on on your 99 Pontiac Gran Prix?


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2008-12-20 10:09:43
2008-12-20 10:09:43

i have a 98 grand prix gtp, and when mine came on i went to the local auto parts store and they were able to check it for free and got the codes, ended up being my egr valve

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yes it will as long as they both are overdrive transmissions i just did it two weeks ago


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