VW Code 18803
18803 Description And Summary : |
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Accumulated in electronic control units so exhaust bank 4, sensor 2 heater circuit, electrical error mechanic will need to check all electrical connections in the camshaft sensor o2 sensor reference voltage bank 2 sensor 1, circuit high and wait then coolant pump control, circuit range / performance is the final reason of the code. |
18803 Possible Causes:
18803 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Low Input
- O2 Sensor Heater Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 18803 Code
- Inspect all the connections exhaust bank 4, sensor 2, tension too small
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns