VW Code 28224
28224 Description And Summary : |
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Accumulated in electronic control units so exhaust bank 4 sensor 1 heater circuit, short to b+ retarded timing position, the engine might refuse to start a/c request a, circuit high or change nox sensor bank 2, circuit intermittent is the final reason of the code. |
28224 Possible Causes:
28224 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 28224 Code
- Inspect all the connections injector control pressure regulator, 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