Sunday, April 23rd, 2023 AT 7:25 AM
My truck has a rough start, idle really rough stalls out. I have codes c3201, p0301, p0172, p0175, p0302. I've changed the spark plugs and it isn’t any better, coils are fine. What do I look for next? I’m thinking maybe EGR valve stuck open, but I’m not sure.