P0291 Volkswagen 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 Volkswagen Description
Code P0291 Volkswagen 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.
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