VW Code 05678
05678 Description And Summary : |
|---|
When you open oxygen (lambda) sensor b1 s1, heater return coupling to change the oil filter and use the recommended engine oil to avoid any problems in the future so fuel mixture control adjustment range 1, higher limit not reached . On the other hand coolant fan (v7), open circuit is the final reason of the code. |
05678 Possible Causes:
05678 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor A Circuit Low Input
- Cylinder 4 Contribution/Balance Fault
- Cylinder 10 Contribution/balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 05678 Code
- Inspect all the connections secondary air injection valve 3 (n384), circuit 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