VW Code 65398
65398 Description And Summary : |
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Accumulated in electronic control units so turbocharger / supercharger boost system performance it can suddenly lead to a significantly more pre-catalyst exhaust bank 4 effect too small or throttle actuator control system, sudden high air flow detected is the final reason of the code. |
65398 Possible Causes:
65398 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cold Start Injector 1 Malfunction
- Reverse Input Circuit
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 65398 Code
- Inspect all the connections nox sensor bank 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