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    Question: Hesitate and misfire while driving

    UPDATE AGAIN:::::::::::::: Changed the oil filter, air filter, fuel filter, ecm, wiring, maf, and it also passed a compression test! Still misfires above 1500rpm, only on 1 cylinder there's a problem. Engine is coming apart next i guess
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    Question: Hesitate and misfire while driving

    UPDATE:::: I changed an injector(according to a tech2), now the balance rates seem to be okay! Still bucks under regular acceleration Reading codes "lost comm with ecm pcm" and mass air flow code I changed the Mass Air flow and it doesnt read that code anymore but now reading "EGR flow...
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    u0100 lost comm ecm pcm

    anyone find another solution to this???
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    Question: Hesitate and misfire while driving

    it is edge programmer +100hp, 220tq, i've tried returning to stock and it still doesn't run ok. Also replaced fuel filter, and cleaned the fuel tank out.
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    Question: Hesitate and misfire while driving

    truck is a 2006 LBZ 90,000miles 4x4 I switched the two injectors(cyl1,7) now the original cyl1 that gm said was no good: in cyl7 spot (which read +4 an up), flow rate now reads +7 or more! cyl 1 again(with cyl7injector installed) reads okay +1 or2 is it possible that its a bad wire or maf.... I...
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    Question: Hesitate and misfire while driving

    I checked the connector, its 100% fine. I am getting a balance rate of +7 on a cylinder other than the one the dealership said needed the injector. I pulled that injector last night, cleaned it and put it back, still a +4 or more according to my programmer... Should I change that one out?? 2...
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    Question: Hesitate and misfire while driving

    Hello, my truck is now misfiring alot. In neutral it revs up 90% okay, but in gear driving its running maybe 50%. I can rev up to 1000rpm but any where higher it starts sputtering, knocking, and barely moving. Also the speedometer keeps dropping when it sputters!! I have k&n filter, 4" turbo...