99 mercedes ml 430 hesitating and idol problem

Asked by mkutzsc Dec 04, 2014 at 08:52 AM about the 1999 Mercedes-Benz M-Class ML 430 4MATIC

Question type: Maintenance & Repair

I recently change the mass air flow and oxygen sensor but I am still having the hesitation
when i start from a stopped position. Since i changed the parts it is now surging when
idling and then stalling. If anyone has any suggestions it is greatly appreciated,

4 Answers
46,155

Michael answered 9 years ago

Was the replacment mass air flow part OEM mercedes or a cheaper aftermarket version. I have heard that the aftermarket parts can cause issues.

Mark helpful

Your Answer:

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