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P0137 Diagnostic Trouble Code Discussion for February 2021

Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage


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Trouble Ticket Help Requests for DTC P0137
Help Request Posted
2016 Chevrolet Silverado 3500 HD LT 6.0L Misfire, MIL Lamp on VIN: 1GB3CZCG4G
P0137: HO2S Circuit Low Voltage Bank 1 Sensor 2. Good Morning All: This is a random and occasional problem that seems to have a greater propensity to occur on cold start (50-70 degrees ambient). Soon after start up the CEL will illuminate and then start to flash, obvious miss fires. Engine runs poor, ...
February 05, 2021
2010 Chevrolet Express 3500 4.8L MIL Lamp on VIN: 1GB3G2BA2A
P0137: B1s2 low v. ... with the 4.8L engine and both are setting O2 codes primarily for bank 2 sensor 2. We have checked wiring multiple times and replaced sensors with Chevy O.E. sensors from the dealer, and the codes continually reset. Checked exhaust for leaks and ran th...
February 22, 2021
2010 Chevrolet Express 3500 4.8L MIL Lamp on VIN: 1GB3G2BA2A
P0137: B1s2 low v. ... with the 4.8L engine and both are setting O2 codes primarily for bank 2 sensor 2. We have checked wiring multiple times and replaced sensors with Chevy O.E. sensors from the dealer, and the codes continually reset. Checked exhaust for leaks and ran th...
February 23, 2021