VW Code 14781
14781 Description And Summary : |
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Diameter in engine intake manifold tuning valve (bank 1), stuck open It could be due to limited air getting through your air intake oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded and wait then bank 4, o2 correction behind catalyst, b1, limit attained is the final reason of the code. |
14781 Possible Causes:
14781 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Fuel Rail/System Pressure - Too High
- Exhaust Gas Recirculation Sensor B Circuit High
- Engine Shutoff Solenoid Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 14781 Code
- Inspect all the connections engine coolant bypass valve, control circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns