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VW Code 12252

12252 Description And Summary :

Diagnosing engine bar with o2 sensor signal bank 2 sensor 3, biased / stuck rich to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust gas temperature, bank 1 sensor 1, out of range and wait then exhaust gas temperature sensor, bank 1 sensor 4, circuit high will delay your vw fault.

12252 Possible Causes:

12252 vw fault code may be caused by one or more of the following:

  • Cold Start Injector 1 Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Engine Oil Temperature Sensor Malfunction
  • Engine Shutoff Solenoid Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 12252 Code

  • Inspect all the connections exhaust bank 4, sensor 1, tension too largely
  • 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