Quick diagnosis please P0300 and LT
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2001 5.3. P0300 and LTFT bank 2 is maxed out at 25. Bank 2 injector PW is 4.5 vs 3.5 on bank 1. Truck runs fair but has slight misfire. Disabled closed loop and fuel trims, truck barely runs at all. That rules out O2 problem right? Does this sound like a dead injector?
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Tydriver
GM Engine & Exhaust Performance
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10-23-2015 09:19 PM