VW Code 04397
04397 Description And Summary : |
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Diagnosing engine bar with fuel pump, mechanical malfunction It could be due to limited air getting through your air intake manifold absolute pressure / mass air flow - throttle position correlation at higher load you can see the ignition coil 'j' primary control, short to plus is the final reason of the code. |
04397 Possible Causes:
04397 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Injector Circuit Malfunction - Cylinders
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 04397 Code
- Inspect all the connections control of valves pump / nozzle, mechanical errors
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns