P0291 Acura Cylinder 11 Injector Circuit Low
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
– Faulty Fuel Injector 11
– Plugged Fuel Injector 11
– Fuel injector 11 harness is open or shorted
– Fuel injector 11 circuit poor electrical connection
Tech description
Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing the injector.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Engine Misfire
– Engine Run Rough
– Low MPG
– Engine Misfire
– Engine Run Rough
– Low MPG
P0291 Acura Description
Code P0291 Acura 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.
Acura Vehicle:
Acura ILX, Acura MDX, Acura RDX, Acura RLX, Acura TL, Acura TSX, Acura ZDX, Acura CSX, Acura EL, Acura Integra, Acura RSX, Acura Legend, Acura Vigor, Acura CL, Acura SLX, Acura NSX, Acura RL, Acura ZDX