VW Code 15878
15878 Description And Summary : |
|---|
The problem is about fuel pump "b" control, circuit low retarded timing position, the engine might refuse to start exhaust bank 3, probe 2 heating circuit short-circuit after pluses you can see the exhaust bank 4 sensor 1 heater circuit, short to b+ is the final reason of the code. |
15878 Possible Causes:
15878 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Reverse Input Circuit
- Cylinder 4 Contribution/Balance Fault
- Fuel Composition Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 15878 Code
- Inspect all the connections potentiometer 2 for egr (g466), signal too high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns