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My check engine light is on saying the tps is bad, i changed it twice, once was today, today and reset the computer twice, its causing my tranny to **** at a really high rpm and it shifts hard. it also is revving up when im driving down the road.

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You need to clear the codes in the computer some times taking off the positive will help other times you have to bring it to a garage to clear codes

Posted on Aug 20, 2010

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The place to start with these problems is to scan your Powertrain Control Module (PCM) for fault codes. If the engine is running as bad as you say it is, the Check Engine light SHOULD be on while your engine is running. If not, turn the key on without starting the engine and make sure it works. (It might be burned out.) This applies to both question #1 and question #2.

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