Question about 2001 Mercedes-Benz E-Class

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Check Engine Light

I have a check engine light that stays on in my car. It's a 2001 Mercedes E430. The car seems to be running fine. Any suggestions?

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Could pick up a sensor at an autoparts store and find out whats causing it, first guess would be an O2 sensor or Mass Airflow Sensor because a CEL is for emmissions usually.

Posted on Jul 16, 2009

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The check engine light comes on when there is a problem with your engine and throws a code which it then stores. That code can be "read" by an OBDI/OBDII scanner and should give you the info you need. If it was scanned and the codes "read" the check engine light should of been re-set. If your car is running well have your mechanic re-set it; if it comes on again take it and have it checked again. No system is fool proof and there may still be a problem. Hope this helps.

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