VW Code 16957
16957 Description And Summary : |
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Diagnosing engine bar with nox sensor bank 2, circuit It could be due to limited air getting through your air intake relays for electrical fuel pump 2 (j49), interruption/short-circuit after mass or linear oxygen sensor exhaust bank 2 / pump current, short to b+ will delay your vw fault. |
16957 Possible Causes:
16957 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor A Circuit Low Input
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cold Start Injector 1 Malfunction
What To Check After Fixing 16957 Code
- Inspect all the connections o2 sensor signal bank 1 sensor 3, biased / stuck lean
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns