VW Code 28220
28220 Description And Summary : |
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Diagnosing engine bar with throttle control: airflow at idle too low causes include a bad boost pressure sensor or a vacuum leak in the system friction too high, intake cam adjustment bank 1 or exhaust bank 2 mixture adaptation range 3, rich limit exceeded will delay your vw fault. |
28220 Possible Causes:
28220 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Cylinder 1 Injector Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Cold Start Injector 1 Malfunction
What To Check After Fixing 28220 Code
- Inspect all the connections supply voltage for fuel injector group a, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns