A/C Causes Misfire - PeachParts Mercedes-Benz Forum

babtahi · #1 08-27-2005, 03:30 PM

When my A/C is on if I give too much gas I get a misfire in one of the cylinders. No codes or CE light. Anyone heard of this or know what causes it?

1996 C280 120K

Jim H · #2 08-27-2005, 05:33 PM

How have you determined that it is a misfire? A misfire should play heck with the O2 sensor and give you a CEL in short order.

Are you experiencing a vibration that feels like a misfire?

babtahi · #3 08-28-2005, 07:40 PM

well its a vibration when i first start the car and if i am giving it gas later on it ends up misfiring the CE light came on today. Codes read a cylinder 2 misfire and a random cylinders misfire

babtahi · #4 08-29-2005, 04:20 PM

anyone have thoughts on this?

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