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P0152 Diagnostic Trouble Code Discussion for October 2011

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

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Trouble Ticket Help Requests for DTC P0152
Help Request Posted
1996 Chevrolet C1500 Suburban 5.7L MIL Lamp on, No closed loop opera VIN: 3GNEC16R0T
P0152: Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit High Voltage. ... help. This is my first encounter with this truck AND this type of problem. Truck came in MIL on & codes p0134 & P0152. Scan pids showed B1S1 at 438mv and B2S1 at 642mv. Thru this whole thing never saw closed loop. ECT is 199 deg F, TPS is 54mv and ...
October 12, 2011