Thread: Quick shifting (sometimes) after warmed up

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  1. #1 Quick shifting (sometimes) after warmed up 
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    2000 Grand Prix SE 3.1 I've "inherited". From a cold start, shifting feels OK. Then at some point after being warmed up, the car goes into what I call "indy car mode", where it shifts immediately. Doesn't happen every time, but often enough. Turning off the car and letting it sit for 10 minutes seems to reset things.

    Any idea where to start? No CEL or codes being thrown that Torque can read.
    Last edited by ovel2clock; 10-13-2012 at 03:32 PM.
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