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P1138 Diagnostic Trouble Code Discussion for August 2008

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
1997 Ford Ranger Splash 2.3L Excessive Emissions, Poor Idle Quality, Stall VIN: 1FTCR14A1V
P1138: o2 insufficient switching b1s1 koer. Hello out there in Tech land! This one seemed easy enough with the codes it has. The upstream O2 is rich most of the time. It will start to switch when you drive down the road. I have good voltage and ground to the O2 heater, and when I ohm check the heater ...
August 18, 2008
1997 Ford Ranger Splash 2.3L Excessive Emissions, Poor Idle Quality, Stall VIN: 1FTCR14A1V
P1138: o2 insufficient switching b1s1 koer. Hello out there in Tech land! This one seemed easy enough with the codes it has. The upstream O2 is rich most of the time. It will start to switch when you drive down the road. I have good voltage and ground to the O2 heater, and when I ohm check the heater ...
August 19, 2008
1997 Ford Ranger Splash 2.3L Excessive Emissions, Poor Idle Quality, Stall VIN: 1FTCR14A1V
P1138: o2 insufficient switching b1s1 koer. Hello out there in Tech land! This one seemed easy enough with the codes it has. The upstream O2 is rich most of the time. It will start to switch when you drive down the road. I have good voltage and ground to the O2 heater, and when I ohm check the heater ...
August 18, 2008
1997 Ford Ranger Splash 2.3L Excessive Emissions, Poor Idle Quality, Stall VIN: 1FTCR14A1V
P1138: o2 insufficient switching b1s1 koer. Hello out there in Tech land! This one seemed easy enough with the codes it has. The upstream O2 is rich most of the time. It will start to switch when you drive down the road. I have good voltage and ground to the O2 heater, and when I ohm check the heater ...
August 19, 2008