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smogged(AirCared) in June by PO, for "driving test" which is done at 25mph CO is 0.05%, for idle test 0.00%, with cat and O2 sensor connected.
As the weather got colder I unplugged the O2 sensor and I could push the metering plate up quite a bit before rpm started to drop back, richened the mixture 3/4 a turn, was hunting when clutch in, leaned out 1/4 turn and it's fine... as far as I can tell.
Should I be alarmed that one bank is running leaner than the other? I'll replace injector seals soon and also check the rubber connection between intake runners and the airbox.
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83 911SC Targa
Everything I say is my personal opinion, and has nothing to do with my team.
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