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I just cleaned the 30 years of carbon from my 92 LT1. Do I need to do any type of re-learn process? If so what is the process, It was having idle issues, I did not replace any components .
The computer learned items are adjustments or small tweaks from the base program. They can be cleared by simply removing a cable from the battery. The computer will then relearn these adjustments over just a few miles of driving.
Note that this does not change the base programming.
I had a bad batch of gas in my '95. The car was running horribly even after I had filled up again. By accident I undid the battery while working on the car. When I connected it again it was instantly better running.