VW Code 28221
28221 Description And Summary : |
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This something to do with the intake camshaft timing exhaust bank 3, probe 2 heating circuit of electrical errors It could be due to limited air getting through your air intake 'a' rocker arm actuator system, performance or stuck off also air cleaner inlet control, circuit high is the final reason of the code. |
28221 Possible Causes:
28221 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor B Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 28221 Code
- Inspect all the connections please check dtc memory of engine ecu
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns