My new headers & problems

[bpmack16]

I put on RD headers and the car runs like shit like a have a VAC leak. It stutters at the start and runs rough. I unpluged my o2 senser and it runs fine. Do I need a new one?

[BahnE30]

sounds like O2, ie, if you remove a part and the car acts better chances are the sensor is bad, or atleast thats what i have found

[Mike325]

Ya, sounds like the o2 can not read correctly anymore.

[kommissar]

Try unplugging your battery for a while so the OBC computer resets. I have heard that this will allow the Motronic system to reset and readjust itself.

[PiercedE30]

or maybe he touched/got grease on his old O2 sensor (which was on it's way out) and caused it to go bad prematurely.

[ehlpitel]

I'm no expert, but it sounds like it could have to do w/O2 sensors.