Quote:
Originally Posted by JFP in PA
Bank 1 is the side with cylinder 1:
Sensor 1 is ahead of the cat, 2 is behind the cat.
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Thank you! I was sure that cat bank 1 was the right one (cylinder 1-2-3) but I had doubt because obd2 checking also detected missfire failure in the other engine side (cylinders 4-5-6) 😕