O2 sensor Which one is bank 1 sensor 3?
funkamongus20
06-01-2004, 12:13 AM
Malfunction on O2 sensor, bank 1 sensor 3. Anybody know WHich one is Bank 1 Sensor 3? I had it replaced about 8 months ago.Now Im gettin a code for it again. I need to do it myself to save the $. I can only find three of them and I was told there were 4. Any Ideas why its malfunctioning again?
Jeremy-WI
06-01-2004, 06:51 PM
on a 4.3L it would be the one between the catalytic and the muffler. What's the code?
funkamongus20
06-01-2004, 08:58 PM
P1042
funkamongus20
06-01-2004, 08:59 PM
I meant P0142, malfunction, it coded 2 times. Does it need replacing or is it just gettin tweaky?
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