Thread: Tune up the 05 Grand Prix with 3800 III

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  1. #41 Re: Tune up the 05 Grand Prix with 3800 III 
    Do Rag
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    Default 03-22-2013
    I put some Sea Foam in the tank and it helped the random miss a lot. I think the miss probably had something to do with the low operating temp too so fix one, fix the other. I'll ask if the CEL is still coming on. I haven't cleared the codes since so it probably is.

    The pic is what I'm working on now.
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