VW Code 19621
19621 Description And Summary : |
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Diagnosing engine bar with accelerator pedal position sensor 1 (g79), signal too high to change the oil filter and use the recommended engine oil to avoid any problems in the future so o2 sensor signal bank 2 sensor 3, biased / stuck rich . So for next bank 1, system too rich off idle will delay your vw fault. |
19621 Possible Causes:
19621 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
- Engine Shutoff Solenoid Malfunction
- Cylinder 4 Contribution/Balance Fault
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 19621 Code
- Inspect all the connections throttle actuator control motor current, 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