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Re: HOW to reset engine light? '99 3.0L
Post the trouble codes for us. If there is a problem, the light will keep coming on no matter how many times you reset it. The proper way is to do it with a scan tool. However, if the PCM sees no fault during a few drive cycles, it will turn off the light on its own. It will store the code for a pre determined amount of key cycles before it erases it.
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