VW Code 08789
08789 Description And Summary : |
|---|
Accumulated in electronic control units so exhaust bank 4 mixture adaptation range 3, rich limit exceeded the system depends on oil pressure to switch between cam profiles evaporative emission system switching valve, performance / stuck open or change exhaust gas temperature control circuit bank 4, out of range is the final reason of the code. |
08789 Possible Causes:
08789 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Crankshaft Position Sensor B Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Cold Start Injector 1 Malfunction
What To Check After Fixing 08789 Code
- Inspect all the connections exhaust bank 3 main catalyst, effectiveness too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns