VW Code 65278
65278 Description And Summary : |
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Staring in engine secondary air injection system air flow/pressure sensor bank 1, circuit low run rough, or might suddenly stall at any given speed data bus engine/engine, software condition monitoring or change data bus powertrain, no communication will delay your vw fault. |
65278 Possible Causes:
65278 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Cylinder 1 Injector Circuit Low
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 65278 Code
- Inspect all the connections engine coolant temperature sensor 2 (g83), 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