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P1138 Diagnostic Trouble Code Discussion for August 2010

Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage During Decel Fuel Cutoff

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Trouble Ticket Help Requests for DTC P1138
Help Request Posted
2004 Chevrolet Cavalier 2.2L MIL Lamp on VIN: 3G1JC52F34
P1138: Heated Oxygen Sensor (Bank 1 Sensor 2) High Voltage In Decel Fuel Cutoff. I work on these vehicles often but can not figure this one out.Freeze frame shows ST0 LT-3 88kph tps 12%5.8gm/sec other freeze data ST-2 LT-3 84kph tps 20% 24.63gm/sec Tested fuel pressure 60psi oil not contaminated even changed oil, air filter new and did rep...
August 31, 2010