Thread: vapor Lock??
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Old 10-22-2003, 04:09 PM
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GMMerlin GMMerlin is offline
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Re: vapor Lock??

First thing is to find out what code is stored in the PCM.
When the PCM sees a fault in the emission system it sets a code and turns on the light...it will run the test over and over again until it sees a passing test then turn off the light (in simple terms) but the code will remain in history.
This may be the clue on what is going on..
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