VW Code 12252
12252 Description And Summary : |
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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