Quote:
Originally Posted by kevinkay
dont confuse cause and effect - in theory running lean does burn hotter.
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Well I certainly have the effect - lol.
Smog test is coming up too so I got to get on it now.
My mind keeps going to what could be problematic on bank 2 that doesn't affect bank 1?
Since the truck seems to run pretty good and I have no other codes outside of lean ones, I have to assume its post engine. Either issues with the O2 sensors (new and no codes) or else the cat is giving up the ghost.