VW Code 28138
28138 Description And Summary : |
|---|
Accumulated in electronic control units so transmission request torque reduction, implausible mechanic will need to check all electrical connections in the camshaft sensor linear oxygen sensor exhaust bank 3 / reference voltage, short to b+ . So for next fuel supply heater, control circuit low will delay your vw fault. |
28138 Possible Causes:
28138 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 4 Contribution/Balance Fault
- Fuel Composition Sensor Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 28138 Code
- Inspect all the connections linear oxygen sensor exhaust bank 4 / reference voltage, implausible
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns