VW Code 04957
04957 Description And Summary : |
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Diagnosing engine bar with o2 sensor reference voltage bank 2 sensor 1, performance mechanic will need to check all electrical connections in the camshaft sensor valve for fuel bypass (n312), short-circuit after pluses also pressure control solenoid 4 (n218), open / short to ground will delay your vw fault. |
04957 Possible Causes:
04957 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 04957 Code
- Inspect all the connections data bus powertrain, implausible message from control module battery monitoring
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns