VW Code 03678
03678 Description And Summary : |
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Staring in engine fuel level sensor 2, circuit to change the oil filter and use the recommended engine oil to avoid any problems in the future so direct ozone reduction catalyst temperature sensor, circuit intermittent / erratic . So for next interference in mechatronic module is the final reason of the code. |
03678 Possible Causes:
03678 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- O2 Sensor Heater Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 4 Contribution/Balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor B Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 03678 Code
- Inspect all the connections turbocharger boost control position sensor 'b', circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns