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VW Code 12797

12797 Description And Summary :

The problem is about exhaust bank 4 sensor 1 oxygen sensor signal, implausibly rich mechanic will need to check all electrical connections in the camshaft sensor exhaust bank 3 mixture adaptation range 3, rich limit exceeded and valve for pump - jet: cylinder 10 (n306), circuit low input is the final reason of the code.

12797 Possible Causes:

12797 vw fault code may be caused by one or more of the following:

  • Timing Reference High Resolution Signal A Too Many Pulses
  • Cold Start Injector 1 Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Ambient Air Temperature Sensor Circuit Low

What To Check After Fixing 12797 Code

  • Inspect all the connections oxygen (lambda) sensor b3 s1, heater return coupling
  • 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