P1138 Diagnostic Trouble Code Discussion for October 2008
Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage During Decel Fuel Cutoff
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| Help Request | Posted | |
| 2005 Nissan Sentra 1.8L MIL Lamp on VIN: 3N1CB51D25 P1138: Swirl Control Valve Control Performance. I am not sure why this code (P1138) is setting. I disconnected the actuator and scoped the sensor while moving the valve assembly - operation is smooth and the sensor waveform is smooth with no dropouts. With a cold engine at idle, the ECU controls the valve (... |
October 22, 2008 |
