Misfire no codes.
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Join Date: Apr 2005
Location: Calgary, Alberta
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Misfire no codes.
Hey Guys I have been chasing a misfire for a while. The vehicle is a 2001 1500 with a 5.3. I had the engine scaned and it showed a mis on cyl #6.
So after that I changed all wires all plugs even the cly 6 injector. I tryed changing the coil on that cly, then I learned that some times it could be caused because of the cly before. I tryed that with the coil and no change.
None of this made any differance. I scanned it again to check o2 sensors, no proplem there. If the engine had a mechanical problem like a bent pushrod wouldnt the valve train be noisey ? Any ideas would be great. If I can't figure this out I guess I will h ave to take it to GM and get ripped off !!
So after that I changed all wires all plugs even the cly 6 injector. I tryed changing the coil on that cly, then I learned that some times it could be caused because of the cly before. I tryed that with the coil and no change.
None of this made any differance. I scanned it again to check o2 sensors, no proplem there. If the engine had a mechanical problem like a bent pushrod wouldnt the valve train be noisey ? Any ideas would be great. If I can't figure this out I guess I will h ave to take it to GM and get ripped off !!