VW Code 03078
03078 Description And Summary : |
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The instrument cluster alerts the driver to the fault cam shaft position sensor (g40), signal outside of the tolerance retarded timing position, the engine might refuse to start crankshaft position signal output, circuit / open you can see the exhaust gas recirculation vent control, circuit low is the final reason of the code. |
03078 Possible Causes:
03078 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Engine Oil Temperature Sensor Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Composition Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 03078 Code
- Inspect all the connections potentiometer 2 for egr (g466), signal too high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns