OBD Code P0278

Cylinder 6 Contribution/Balance

What’s mean?

OBD2 Code P0278 Definition:
Code P0278 is triggered when the Power Train Control Module (PCM) detects that the acceleration rate of the crankshaft for Cylinder #6 was less than a calibrated amount. During normal conditions the PCM turns the Fuel Injectors ON and OFF in the Fuel Injection System.

Symptoms

Possible sumptoms of P0278
– Engine Light ON (or Service Engine Soon Warning Light) – Engine Misfire – Engine Run Rough – Low MPG

Possible Causes

Possible causes of P0278
– Fuel Injector #6 – Faulty or Corroded Fuel Injector #6 Connector – Plugged #6 Fuel Injector – Dirty #6 Fuel Injector

Possible Solutions

– Clean Fuel Injector #6 Connector – Clean Fuel Injector #6 – Replaced Fuel Injector