Man the wife came home with CEL and I plugged my ScanGage in and it comes up P0101 which is supposed to be Mass or Volume Air Flow Circuit Range/Performance Problem.

There seems to be no drop in perfornance that I can tell. Guess I'll take the Liberty in to the dealer tomorrow and see what they say about the CEL.

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91 MB 300D 2.5L Turbo. Her's

05 MB E320 CDI. Mine

MAF failure and dealer ordered part for replacement. It actually had something stuck to the wire, the tech didn't even bother to try and clean the wire, he just ordered new MAF. At least it has the MAP to over ride the failed MAF so there is no real driving issues.

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91 MB 300D 2.5L Turbo. Her's

05 MB E320 CDI. Mine