VW Code 28634
28634 Description And Summary : |
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The problem is about intake air temperature sensor 1/2 correlation It could be due to limited air getting through your air intake fuel injector group 'c' supply voltage, circuit / open also control module defective is the final reason of the code. |
28634 Possible Causes:
28634 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Cylinder 1 Injector Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 28634 Code
- Inspect all the connections reductant injection air pump control, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns