Quote:
Originally Posted by ILUVMILS
Make sure you don't have a lazy o2 sensor before you before you do anything else.  |
Yes, I was considering that due to mileage, . . and, got a P0136 ( rear O2 sensor ) on the way to work today.
From research it seems the computer looks at front sensor to determine AIR pump operation. In any event they are both due for a change.