P0291 – Cylinder 11 Injector Circuit Low

P0291 Possible Symptoms

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

P0291 Possible Causes

Dirty Fuel Injector 11,Faulty Fuel Injector 11,Plugged Fuel Injector 11,Fuel injector 11 harness is open or shorted,Fuel injector 11 circuit poor electrical connection

P0291 Description

Code P0291 is triggered when the Engine Control Module (ECM) detects a low voltage in the Fuel Injector 11 Circuit. During normal conditions, the ECM turns the Fuel Injectors ON and OFF in the Fuel Injection System.