Codes After Knock Sensor Replacement

[jrod332]

I replaced the knock sensors today in my 05 silverado 1500. It went pretty smooth. I got everything hooked back up and took a drive. No problems, truck runs good. I took a second trip down the street a little while later. CEL started flashing. I checked the codes when I stopped and got a P0200- injector circuit open, and a p0301 cylinder 1 misfire detected. Not sure where cylinder 1 is located. Could the p0200 have triggered the misfire?

Any help of these codes would be great. Maybe I missed something or somethings isn't tight.

[98 Z71 SLT]

Sounds like when you pulled the injector connector apart, you pulled a wire loose also. Check your injector #1 wires...make sure both wires are fully seated inside the plastic connector.

 

Number 1 cylinder is driver side, closest to radiator.