CEL when under load + boost
I just put in new spark plugs and a coil for a cylinder 2 misfire.
Car was running fine but now it’s throwing CEL every time i floor it and boost is 10+ psi w jb4 map5. I can feel a shake in the pedal for a few seconds and then the CEL pops on every time. Sometimes car runs hard after and sometimes it’s fine.
Any ideas? Could this be a map sensor issue? Something else?
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2010 e90 335xi 6MT - JB4, DCI, Lux AEs
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