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

Enthusiast 01be16a5a93688912f14755221fb15211b518d9a788cf01b455e03cc1bd585ac
Clean MAF sensor light still on, whill a aftermarket filter will throw the light?
(1) Answer
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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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