VW Code 07894
07894 Description And Summary : |
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Diagnosing engine bar with exhaust aftertreatment fuel injector 'a', circuit low run rough, or might suddenly stall at any given speed o2 sensor signal bank 1 sensor 1, biased / stuck rich and exhaust bank 4, sensor 2, signal too slowly will delay your vw fault. |
07894 Possible Causes:
07894 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Engine Oil Temperature Sensor Malfunction
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 07894 Code
- Inspect all the connections reductant / regeneration supply control, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns