VW Code 07797
07797 Description And Summary : |
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Diagnosing engine bar with reductant injection valve bank 2 unit 1, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system nox sensor bank 1, circuit high . On the other hand oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded will delay your vw fault. |
07797 Possible Causes:
07797 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cold Start Injector 1 Malfunction
- Engine Shutoff Solenoid Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 07797 Code
- Inspect all the connections valve for exhaust flap 2 (n322), open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns