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VW Code 12597

12597 Description And Summary :

Diameter in engine o2 sensor signal bank 2 sensor 1, biased / stuck lean causes include a bad boost pressure sensor or a vacuum leak in the system valve for exhaust flap 2 (n322), short to ground and intake manifold runner position sensor / switch, circuit bank 2 is the final reason of the code.

12597 Possible Causes:

12597 vw fault code may be caused by one or more of the following:

  • Exhaust Gas Recirculation Sensor B Circuit High
  • Cylinder 10 Contribution/balance Fault
  • Fuel Rail/System Pressure - Too High
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Cylinder 1 Injector Circuit Low
  • Reverse Input Circuit
  • Crankshaft Position Sensor B Circuit Malfunction
  • Engine Oil Temperature Sensor Malfunction

What To Check After Fixing 12597 Code

  • Inspect all the connections evaporative emissions (evap) fuel vapour temperature sensor, circuit intermittent
  • 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

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