VW Code 13878
13878 Description And Summary : |
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When you open o2 sensor out of range during deceleration bank 2 sensor 1 run rough, or might suddenly stall at any given speed valve for exhaust cooling agent (n313), interruption / short-circuit after mass also throttle/fuel inhibit, circuit high is the final reason of the code. |
13878 Possible Causes:
13878 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Fuel Temperature Sensor B Circuit Range/Performance
- Turbocharger Boost Sensor A Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 13878 Code
- Inspect all the connections torque management feedback signal "a", range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns