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jturboawd · 01-06-2015, 08:37 AM

Bank 1 as in 1st o2 sensor on downpipe? If so PLEASE remove promptly. 1st o2 is the critical sensor that determines AFR etc. 2nd o2 (post cat) is the one to space (if any).

01-06-2015, 08:37 AM	#3
jturboawd Private First Class 63 Rep 184 Posts Drives: e36, e46, 135i, m4, x4m Join Date: Oct 2013 Location: houston iTrader: (0)	Bank 1 as in 1st o2 sensor on downpipe? If so PLEASE remove promptly. 1st o2 is the critical sensor that determines AFR etc. 2nd o2 (post cat) is the one to space (if any).
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