#1 and #8 cylinders misfiring, why???
#1
#1 and #8 cylinders misfiring, why???
2 weeks ago my neighbor and I installed Jet-Hot LT’s, Hooker Y-pipe, and Taylor OTVC wires, new spark plugs, new O2 sensors, removed the EGR and Air pump, and did a OBD-I conversion. We took the car for a test ride and it car wasn’t running as it should. This past weekend we hooked the car up to my friend’s scanner and no codes were coming up. I put my OBD-II PCM back in (for scanning purposes) and it showed that cylinders #1 and #8 are misfiring. My friend had an extra set of wires in his garage and we swapped them in and it was still misfiring. I have checked for burnt wires, sensors, etc and can’t find anything wrong. Could it be an injector, vacuum, ect? Does anyone know what might be wrong? I was trying to figure out what the relationship is between #1 and #8 compared to the other cylinders. Why are they singled out and it’s not a widespread problem throughout the others. Maybe that will help narrow the problems down. Any help would be greatly appreciated.
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