VW Code 07878
07878 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust pressure regulator vent solenoid, control circuit low the system depends on oil pressure to switch between cam profiles tiptronic switch up (f189), open circuit / signal to b+ you can see the valve for coolant system circuit, low / intermittent will delay your vw fault. |
07878 Possible Causes:
07878 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Reverse Input Circuit
- Engine Oil Temperature Sensor Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Composition Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 07878 Code
- Inspect all the connections friction too high, exhaust cam adjustment bank 2
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns