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VW Code 07797

07797 Description And Summary :

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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range