OK, from what I have read so far Bank 1 is before cats & Banks 2 is after cats, is this incorrect? I have 4 O2 sensors. 2 before cats & 2 after cats. I have the code:
P0152 Oxygen Sensor Circuit High Voltage (bank 2, sensor 1)
I have replaced both sensors before cats (bank one) on passenger & driver side. I just replaced sensor after cats on passenger side & still have the code.
I have ordered the sensor on driver side after cats.
Does any one have an answer other than that?
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Ck the power steering switch for any fluid leakage, if you have a leak. the wire harness and o2 sensor may have p/s oil in the connectors, also ck the connectors at the PCM too. Yes a leaking p/s switch can push fluid up to the PCM.
__________________
Master Chassis tech, Transmission
Automatic and Manual and Suspensions.
Also repair front and rear diffs and all engine
repairs inc Diesel. A/C repair too.
Yes I had the power steering swith code & replaced it. It was leaking. I also checked all conectors & found a brown liquid on, in, and around a conector to my PCM. This happened about a mounth ago. I cleaned it, but some is back a mounth later. It did just as u said. GREAT INFO
What do I do now. Just keep cleaning the p/s till it is gone?
bank 1 is the left side of the eng bank 2 is the right side the sensor on the left side in ft of the cat is 1/1 the after the cat on the left side is 1/2 the right side is 2/1 and 2/2 if the eng is mounted side ways the ft side is the left side the side aginst the firewall is the right side
need some help on O2 sensors
