VW Code 05278
05278 Description And Summary : |
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Diagnosing engine bar with data bus powertrain, missing message from a/c controller mechanic will need to check all electrical connections in the camshaft sensor linear oxygen sensor exhaust bank 4 / common ground wire, short to ground . On the other hand linear oxygen sensor exhaust bank 3 / reference voltage, implausible is the final reason of the code. |
05278 Possible Causes:
05278 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Rail/System Pressure - Too High
- Timing Reference High Resolution Signal A Too Many Pulses
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 05278 Code
- Inspect all the connections engine torque reduction, fault
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns