Been getting a trouble code for right O2 sensor, reset it and it comes back.
Was out for a cruise today and got on it and had a slight bog up top and it started skipping . Scanned it and got 3 strange codes: PO327 knock sensor bank 1 low input, PO332 knock sensor 2 low input, and P1637 CAN LINK ECM/ABSCM circut network malfunction. Also heard a strange noise that went away. Any ideas?? Going to pull the plugs when it cools down and have a look. Wonder if It bent a push rod? right now I have no idea.....HELP

 

Did you fix the Sensor?

 

They are both brand new LS6 sensors, wires are all good

 

No I haven't replaced the O2 yet.

 

Anyone?
Maybe I should rephrase. What would cause those codes to trip? and what the hell is that P1637 code about?

 

I would chase the o2 sensor first, its almost certainly bad and then start chasing other stuff because those faults could be related to the fuel the o2 sensor is trying to compensate with.

 

OK problem fixed. Two spark plug wires burned on the headers and the bad O2 sensor combined did it. That code P1637 guess is because of the tune but everything cleared and I'm off to the strip tonight. Last night for test & tune for the season and first run with the new motor, a good nite will be if I drive home after with no problems.........