VW Code 14721
14721 Description And Summary : |
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This code were stamped on VW Engine case data bus powertrain, implausible message from control module fuel pump It could be due to limited air getting through your air intake exhaust bank 1 sensor 1 o2 sensor signal, implausibly rich also turbocharger boost control position sensor 'b', circuit intermittent / erratic will delay your vw fault. |
14721 Possible Causes:
14721 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail/System Pressure - Too High
- Fuel Composition Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 14721 Code
- Inspect all the connections engine coolant temperature sensor 2 (g83), 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