Finally got it to throw me out a couple of codes. 13 and 63. I'll run through the checks in my FSM but I am about 95% certain that the issue is now that I cannot keep the o2 sensors hot enough for...

Resurrecting the Dead.

2 years ago I gave up on my shitty harness and just programmed it to run in Open Loop. Since then I have installed a harness from Current Performance. (I liked their...

Weekend Update:

New dedicated heater circuit with all new wires. Left side o2 sensor works again.

All new wires from PCM to Right Side o2 sensor including all new connector pins. Still no RH...

Per my FSM, I've got 7&8 as one side and 19/20 as the other. I've checked continuity on these pins. I will recheck that I've got the high/low's in the right sockets.

I'm beginning to suspect...

$EE Impala SS PCM/Drivetrain in my 63 c10.

Scanner shows the o2 sensors stuck at 453mv. They never switch. Verified good AC Delco o2's by sticking them in my other LT1 car. Verified heater...