VW Code 16800
16800 Description And Summary : |
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The problem is about secondary air injection valve 4 (n385), circuit electrical malfunction it can suddenly lead to a significantly more o2 sensor pumping current trim bank 1 sensor 1, circuit / open . So for next fuel cap sensor / switch, circuit is the final reason of the code. |
16800 Possible Causes:
16800 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Ambient Air Temperature Sensor Circuit Low
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 16800 Code
- Inspect all the connections pre-catalyst exhaust bank 3 effect too small
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns