VW Code 65278
65278 Description And Summary : |
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When you open secondary air injection system bank 2, high air flow retarded timing position, the engine might refuse to start generator shut-off, open or short to ground you can see the fuel supply heater, control circuit low is the final reason of the code. |
65278 Possible Causes:
65278 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Reverse Input Circuit
- Cylinder 4 Contribution/Balance Fault
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor B Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 65278 Code
- Inspect all the connections exhaust gas temperature sensor bank 1 sensor 2, circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns