VW Code 14678
14678 Description And Summary : |
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Staring in engine valve for pump - jet: cylinder 9 (n305), regulation range exceeded it can suddenly lead to a significantly more nox sensor heater control bank 1, circuit low also throttle/pedal position sensor / switch 'd', circuit range / performance will delay your vw fault. |
14678 Possible Causes:
14678 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Composition Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Cold Start Injector 1 Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 14678 Code
- Inspect all the connections ignition coil cylinder 13, open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns