VW Code 18778
18778 Description And Summary : |
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Diameter in engine throttle actuator control motor current, range / performance it can suddenly lead to a significantly more reductant injection valve bank 1 unit 2, circuit high . On the other hand coolant pump control, circuit / open will delay your vw fault. |
18778 Possible Causes:
18778 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Low Input
- Turbocharger Boost Sensor A Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 18778 Code
- Inspect all the connections ignition coil cylinder 14, low circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns