P0278 MERCEDES-BENZ – Cylinder 6 Contribution/Balance Fault

 

P0278: DIY Repairing Video Tutorial

https://youtu.be/dIUE6Yf8gis

Check out nonda Auto DIY Center for more engine error code repairing videos.
https://www.youtube.com/playlist?list=PL-Lyko0O0oxHe1AGvzwAz-wokJPXAtW97

 

P0278 MERCEDES-BENZ Possible Symptoms

  Engine Light ON (or Service Engine Soon Warning Light),Engine Misfire,Engine Run Rough,Low MPG  

P0278 MERCEDES-BENZ Possible Causes

  Dirty Fuel Injector 6,Faulty Fuel Injector 6,Plugged Fuel Injector 6,Fuel injector 6 harness is open or shorted,Fuel injector 6 circuit poor electrical connection  

P0278 MERCEDES-BENZ Description

  Code P0278 is triggered when the Engine Control Module (ECM) detects that the acceleration rate of the crankshaft for Cylinder 6 was less than a calibrated amount. During normal conditions, the ECM turns the Fuel Injectors ON and OFF in the Fuel Injection System.