VW Code 28690
28690 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust bank 3 oxygen sensor correction behind catalyst, lean control limit exceeded mechanic will need to check all electrical connections in the camshaft sensor data-bus powertrain, implausible message from engine controller . So for next 'a' rocker arm actuator control, circuit / open will delay your vw fault. |
28690 Possible Causes:
28690 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 28690 Code
- Inspect all the connections evaporative emission system leak detection pump control, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns