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Check engine light

(1990 Mercedes-Benz 300E)
in Fallbrook, CA on December 30, 2009
What is the procedure for resetting the check engine light
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Popular Answer
on December 30, 2009
A Check Engine light should only be reset after a repair has been made, otherwise it will come back on.
A scan tool can reset it, or removing power to the engine control module may do it as well.
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