Quote:
Originally Posted by RafalZajac
Hi everyone, I'm new to the forum. However, I have a problem with my 2019 Camaro 2.0 T.
I decided to replace the spark plug at 35,000 miles.
I used NGK replacements and unfortunately, they had a 1.2mm spark gap instead of 0.9mm, which made no difference at idle, but at high RPM, I experienced a misfire problem on the cylinders.
I went back to the old spark plugs and the problem disappeared, but only for a short time. After driving 40 miles, it reappeared and cylinder 4 completely misfired. I swapped the coil and spark plugs with cylinder 3, and unfortunately, the problem isn't with the coil or cylinder.
Does anyone have a wiring diagram for the ignition system? I suspect something on the low-voltage side has failed.
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You don't want to suspect an injector?
If you have a problem with the wiring to the coils you're going to have a circuit fault code for that coil.