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grand am service engine light?

it only comes on while i'm going 70+mph. its a 1995 with a 3.1 auto. i think it has to do with my low rpms. your thoughts.....

2 Answers

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  • Lab
    Lv 7
    1 decade ago
    Favorite Answer

    Without an actual code (can be scanned at AutoZone or any shop with a scanner) NO CLUE.

  • my thought is this, the speed limit is 65 on most freeways, do it. aside from that get the cpu scanned for codes, and rectify the problem. at that speed the only thing i see being a problem possibly is a torque converter clutch.

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