Now let's turn to the Check Engine message I mentioned. I pulled the code
and it's P0132 (O2 Sensor Circuit High Voltage). Sensor 1 & 2 on Bank 1
read "1000V 0% S.T. fuel trim". This strikes me as a possible short.
I have learned anecdotally of the possibility that the power steering line
leak (a mini geyser at times) may have put fluid on the O2 sensors (which I
suspect are in that region of the engine area).
What's the most practical interpretation of P0132? Could it be a burned
fuse?
I had only one instance of a real sloppy power failure in the last 2 weeks
and it seemed to have "recovered". If this theory is valid, I wonder if it's
fair to assume the fluid-wetted O2 sensors will "dry out" and eventually go
back to normal.
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