After replacing after market engine air filter cel for PO101 appear on 2003 Mercedes-Benz S430 4MATIC

Clean MAF sensor light still on, whill a aftermarket filter will throw the light?

by in Waterford, CT on January 10, 2012
1 answer
ANSWER by on January 28, 2012
Something may have been disturber when replacing filter, try cleaning air mass meter contacts. was the previous filter a k&n, have seen the oil from those get on air mass and cause it to fail. JP

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