OBD Code P0281

Cylinder 7 Contribution/Balance

What’s mean?

OBD2 Code P0281 Definition:
Code P0281 is triggered when the Power Train Control Module (PCM) detects that the acceleration rate of the crankshaft for Cylinder #7 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 P0281
– Engine Light ON (or Service Engine Soon Warning Light) – Engine Misfire – Engine Run Rough – Low MPG

Possible Causes

Possible causes of P0281
– Fuel Injector #7 – Faulty or Corroded Fuel Injector #7 Connector – Plugged #7 Fuel Injector – Dirty #7 Fuel Injector

Possible Solutions

– Clean Fuel Injector #7 Connector – Clean Fuel Injector #7 – Replaced Fuel Injector