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red6spd · 11-26-2012, 10:52 PM

Wow you are having the identical issue that I just recently had. I got the CEL and the high idle then when I brought it to my local performance shop they found incorrect AFR's between bank 1 and 2. You need to check for leaks at your test pipes. My tuner could not figure out why the car was running like crap until they decided to do a leak test on the exhaust and found the leaks, car runs mint now. Oh and the tuner right away thought it was the O2 sensor as well but it was not. Good luck man.

11-26-2012, 10:52 PM	#3 (permalink)
red6spd A True Z Fanatic Join Date: Apr 2010 Location: Long Island NY Posts: 3,277 Drives: 2010 Z Coupe M6 SPT Rep Power: 21	Wow you are having the identical issue that I just recently had. I got the CEL and the high idle then when I brought it to my local performance shop they found incorrect AFR's between bank 1 and 2. You need to check for leaks at your test pipes. My tuner could not figure out why the car was running like crap until they decided to do a leak test on the exhaust and found the leaks, car runs mint now. Oh and the tuner right away thought it was the O2 sensor as well but it was not. Good luck man. __________________ 2010 Base+Sport 6spd: Stillen G3, FI Non-Resonated CBE, FI Non-Resonated Test Pipes, UpRev Tuned, Custom 24R Oil Cooler, JDM Rear Fog-OEM Harness. ???Whp ???WTQ (Will find out come spring time)