VW Code 16391
16391 Description And Summary : |
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Diagnosing engine bar with control module for coolant fan 3 fan activation, short circuit It could be due to limited air getting through your air intake exhaust bank 3, probe 2 heating circuit of electrical errors and wait then outside temperature sensor 2 (g249), open to b+ will delay your vw fault. |
16391 Possible Causes:
16391 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Fuel Rail/System Pressure - Too High
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 16391 Code
- Inspect all the connections reductant temperature sensor, circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns