Quote:
Originally Posted by yzark99
Sounds like a big expense to have the dealer figure it out. I would buy some o2 extenders and screw the sensors into those. They reduce the amount of exhaust they have to measure, and this is usually enough to fool the computer that everything is fine: http://www.bigdaddiesgarage.com/stra...ddies%20Garage |
This will not affect a heater circuit DTC.
Since you clearly know how to use a multimeter, I would suggest checking the circuits from the PCM to the affected O2. Check for shorts to power and ground, and a good continuity check. It's likely you have a short in the wire.