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willgresham34 · 10-10-2023, 01:37 AM

So I installed headers on my own and plan to get a tune soon, but I am getting a P0300 code along with a few other expected ones telling me my fuel is running to rich. I’m assuming that since it’s reading rich the car is trying to lean out the fuel and that’s what’s causing the misfire. The misfire is odd tho, stabilitrak service light comes on car shakes a bit. I think unplugging one of the o2 sensors will fix this problem, but not sure. I drove the car for a week with one of the front o2’s plugged in the wrong way and this never happened but now that I fixed that I am getting the lean codes and misfire. Should re unplug the front o2? or should I unplug the backs?

10-10-2023, 01:37 AM	#1
willgresham34 Drives: 2019 Chevy Camaro 2SS Join Date: Sep 2023 Location: Athens, GA Posts: 28	Misfiring after header install So I installed headers on my own and plan to get a tune soon, but I am getting a P0300 code along with a few other expected ones telling me my fuel is running to rich. I’m assuming that since it’s reading rich the car is trying to lean out the fuel and that’s what’s causing the misfire. The misfire is odd tho, stabilitrak service light comes on car shakes a bit. I think unplugging one of the o2 sensors will fix this problem, but not sure. I drove the car for a week with one of the front o2’s plugged in the wrong way and this never happened but now that I fixed that I am getting the lean codes and misfire. Should re unplug the front o2? or should I unplug the backs?