VW Code 13478
13478 Description And Summary : |
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Accumulated in electronic control units so exhaust bank 4, sensor 1, heater circuit achievement too small retarded timing position, the engine might refuse to start idle speed control throttle position, electrical malfunction or injector control pressure sensor, circuit range / performance will delay your vw fault. |
13478 Possible Causes:
13478 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Reverse Input Circuit
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 13478 Code
- Inspect all the connections cylinder 7 above knock threshold
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns