VW Code 19781
19781 Description And Summary : |
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When you open valve for exhaust cooling agent (n313), interruption / short-circuit after mass retarded timing position, the engine might refuse to start throttle/pedal position sensor 'c', maximum stop performance or change 'b' rocker arm actuator control, circuit / open will delay your vw fault. |
19781 Possible Causes:
19781 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Exhaust Gas Recirculation Sensor B Circuit High
- Engine Oil Temperature Sensor Malfunction
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor B Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 19781 Code
- Inspect all the connections engine oil temperature sensor (g8), circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns