lumpy at low rpm


New Member
Apr 17, 2012
1999 C200 Sport
Wondered if anyone could advise me. 1999 C200 Sport auto, seems to run fine, but from idle when you accelerate, it almost feels for a few seconds like it could stall. Have recently changed plugs and mass flow sensor as was very lumpy while driving till warm from cold which is now solved but I was wondering if it was maybe a parcially blocked injector or something maybe. Any help as always much appreciated! :)

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