VW Code 12757
12757 Description And Summary : |
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Diagnosing engine bar with diesel particulate filter pressure sensor 'b', circuit intermittent / erratic causes include a bad boost pressure sensor or a vacuum leak in the system transmission output speed sensor 2 (g196), circuit rpm too high . On the other hand exhaust gas temperature sensor bank 2 sensor 2, circuit range / performance is the final reason of the code. |
12757 Possible Causes:
12757 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Engine Oil Temperature Sensor Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 12757 Code
- Inspect all the connections linear oxygen sensor exhaust bank 3, compensation wire pump current, 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