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1990 Mercedes-Benz 300E Question: Check engine light

 

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Fuegoman, Fallbrook, CA, December 30, 2009, 11:12
 Rookie

What is the procedure for resetting the check engine light

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  • Answer #1

    Bret Bodas from RepairPal Test Shop, December 30, 2009, 18:28
     Master

    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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