HP reduction need help - Z06Vette.com - Corvette Z06 Forum
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post #1 of 3 (permalink) Old 04-12-2017, 07:24 AM Thread Starter
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HP reduction need help

Hi guys & gals I got a problem!. had a check engine light come on and I unhooked battery to reset light. Light went out and has not came back but seems to be less power than before. I took it to the garage and it has no faults to reset. Can it be running in reduced HP with no faults? Is there some way that I may have cut the power back like Mode or traction control ? thanks in advance Steve
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post #2 of 3 (permalink) Old 04-12-2017, 08:18 AM
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Re: HP reduction need help

Any time battery is pulled and reconnected causes the PCM to erase any DTCs and flush out all it learned like fuel trims, etc

Drive it to allow the PCM to relearn for a couple of days and then judge how engine is doing

If that DTC causing CEL comes back then you must look via DIC or OBD scanner what the code is, do not remove battery until that is done
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Mike M - 2001 / 2008 Z06s
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post #3 of 3 (permalink) Old 04-13-2017, 05:34 AM Thread Starter
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Re: HP reduction need help

did not know it erased all. will do as you said and see what happens.
thanks for the advice. Steve
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