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P0138 Diagnostic Trouble Code Discussion for June 2013

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

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Trouble Ticket Help Requests for DTC P0138
Help Request Posted
2000 Dodge Ram 1500 Van 3.9L Poor Idle Quality, Surge, Cuts out, Stall VIN: 2B7HB11X8Y
P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage. vehicle after warmed will start to run rough and sometimes die sometimes clear up customer removed the cat replaced fuel pump dist cap rotor button plugs and wires. I have replaced b1 snr2 o2 because o2 codes were present still has evap codes fuel pressure doe...
June 28, 2013
1998 Ford Mustang GT 4.6L Poor Idle Quality, MIL Lamp on VIN: 1FAFP42X8W
P0138: O2 Sensor Circuit High Voltage Bank 1 Sensor 2. ... complaint is an intermittent high idle. Stored code is P0138. I started out with the P0138 B1S2. This has me kind of stumped. Disconnecting the O2 B1S2, using a test light, I have power on the power ckt. Then, taking the test light to the PCM ground ckt, t...
June 30, 2013