Originally posted by weasel:
Well I have had the MIL on for a while now and decided to get the codes scanned. Here's what was found:
-HO2S signal circuit malfunction: P0156.
-HO2S heater circuit malfunction: P0135, P0141, P0155 and P0161.
I find it very hard to believe all these HO2S's have gone for a crap all at once. Is it possible a fuse is blown somewhere to cause this or am I looking at multiple O2 sensor replacement ? Car seems to be running fine without any significant mileage change ...
Or you could also have one of the heater circuits grounding out the rest. I've seen that happen many times before when I worked at the dealership.
Have fun....
The ONLY 96 (engine) 3L
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