Update… today it drive normally, no misfires or chugging. I had it scanned again and now I’m showing P0327 knock sensor low voltage, Po301 cycl 1 misfire and P0455 evac large leak.
I am in need of help and looking for suggestions on my misfire issues. I have had this vehicle for many years and it has 200,000 miles on it. 2008 Equinox 3.4 engine. Within the last year I had misfire in two different cylinders. I replace the spark plugs and wires and eventually the coil pack...
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