VW Code 28789
28789 Description And Summary : |
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This something to do with the intake camshaft timing charging system, voltage high It could be due to limited air getting through your air intake engine coolant level sensor / switch, circuit high . On the other hand direct ozone reduction catalyst deterioration sensor, circuit will delay your vw fault. |
28789 Possible Causes:
28789 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cold Start Injector 1 Malfunction
What To Check After Fixing 28789 Code
- Inspect all the connections exhaust bank 2 sensor 1 oxygen sensor signal, voltage too low during deceleration
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns