I'm not aware of any vehicle that the driver can turn off the Check Engine light by pressing buttons. That goes against EPA regulations. If all problems are gone, and no new ones are detected, all stored fault codes are erased after approximately 50 starts. That is considered "normal driving", not a weak answer. The code was for a lose gas cap. That didn't mean it had to be replaced.
The proper way to turn the light off is to have your mechanic connect a hand-held computer called a scanner that can erase the codes. You can also disconnect the battery for a minute, but that will introduce a bunch of new problems including loss of long and short term fuel trims from memory. "Minimum throttle" will also be lost from memory causing the engine to stall unless you hold your foot on the gas pedal.
Caradiodoc
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Thursday, December 24th, 2009 AT 12:00 AM