VW Code 09878
09878 Description And Summary : |
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This something to do with the intake camshaft timing ignition switch run position, circuit run rough, or might suddenly stall at any given speed oxygen (lambda) sensor b1 s1, pump current, open circuit . On the other hand o2 sensor signal bank 1 sensor 3, biased / stuck lean is the final reason of the code. |
09878 Possible Causes:
09878 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- O2 Sensor Heater Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Reverse Input Circuit
- Cylinder 1 Injector Circuit Low
- Crankshaft Position Sensor B Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 09878 Code
- Inspect all the connections secondary air injection system switching valve bank 2, stuck open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns