VW Code 02089
02089 Description And Summary : |
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Diagnosing engine bar with direct ozone reduction catalyst, efficiency below threshold retarded timing position, the engine might refuse to start secondary air injection system pump bank 1, stuck on you can see the exhaust bank 4, sensor 1, signal too slowly is the final reason of the code. |
02089 Possible Causes:
02089 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 02089 Code
- Inspect all the connections injector control pressure, too high - engine off
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns