VW Code 29878
29878 Description And Summary : |
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Accumulated in electronic control units so valve for torque support mount, short to ground run rough, or might suddenly stall at any given speed reductant injection air pump control, circuit high . So for next exhaust bank 3, probe 2 heating circuit short-circuit after pluses will delay your vw fault. |
29878 Possible Causes:
29878 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- O2 Sensor Heater Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 29878 Code
- Inspect all the connections secondary air injection system switching valve bank 2, stuck closed
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns