OBD Code P0277

Cylinder 6 Injector Circuit High

What’s mean?

OBD2 Code P0277 Definition:
Code P0277 is triggered when the Power Train Control Module (PCM) detects a high voltage in the Fuel Injector #6 Circuit. During normal conditions the PCM turns the Fuel Injectors ON and OFF in the Fuel Injection System.

Symptoms

Possible sumptoms of P0277
– Engine Light ON (or Service Engine Soon Warning Light) – Engine Misfire – Engine Run Rough – Low MPG

Possible Causes

Possible causes of P0277
– Fuel Injector #6 – Faulty or Corroded Fuel Injector #5 Connector – Plugged #6 Fuel Injector – Dirty #6 Fuel Injector

Possible Solutions

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