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P0158 Diagnostic Trouble Code Discussion for March 2023

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


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Trouble Ticket Help Requests for DTC P0158
Help Request Posted
2002 Mercury Sable GS 3.0L Poor Idle Quality, MIL Lamp on VIN: 1MEFM50U12
P0158: Ho2s bank 2 sensor 2 circuit high voltage. ... sensor 2 o2 because failed resistance on heater circuit. Reset keep alive memory and still runs poor at times and p1131 and p1151 come back and p1270. When running it goes into closed...
March 23, 2023