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2011 Chevrolet Express Passenger 1LS RWD 1500 135

2011 Chevrolet Express Passenger
Trim Info:
Rear Wheel Drive, 1500 135" WB
13 mpg city / 17 mpg hwy
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August 16, 2015, 1:57 pm

Allen L
 

Question: P0050 and P0059 codes about O-2 sensor



Heated oxygen sensor heater control circuit bank 2 sensor1

It looks like replacing the O-2 sensor is the logical step.

Anyone point me to which one (there are 2) is bank 2 sensor 1

Any other troubleshooting I can do.

I cleared the codes and they came back.

Van has 6.0L engine...is almost at 190k and I have owned since 90k and never replaced an O-2 sensor.

One sensor is about 50 bucks and the other is $80 some bucks


 
 



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