E46Fanatics - View Single Post - CEL light on....SAP bad and other engine performance problems

glhx · 01-24-2013, 04:50 PM

could this simply be a vacuum leak. o2 is reading air in the system (reading a lean condition) ....reporting it to the computer....computer adjusts the injectors to run rich. this extra air being down stream from the maf sensor could do that.

01-24-2013, 04:50 PM	#25
glhx Registered User Join Date: Jan 2012 Location: Middle Tennessee Posts: 515 My Ride: 2002 BMW 330ci View My Garage	could this simply be a vacuum leak. o2 is reading air in the system (reading a lean condition) ....reporting it to the computer....computer adjusts the injectors to run rich. this extra air being down stream from the maf sensor could do that.