VW Code 28089
28089 Description And Summary : |
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Staring in engine exhaust gas temperature control circuit bank 4, out of range causes include a bad boost pressure sensor or a vacuum leak in the system intake manifold runner control (imrc), signal outside tolerance . On the other hand mass-airflow sensor 4 (g457), signal to high will delay your vw fault. |
28089 Possible Causes:
28089 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Engine Oil Temperature Sensor Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 28089 Code
- Inspect all the connections exhaust gas temperature sensor bank 2 sensor 3, 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