Possible causes

– Faulty Fuel Injector Control Module
– Fuel Injector Control Module harness is open or shorted
– Fuel Injector Control Module circuit poor electrical connection

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P0611 Description

The ECM has not received a signal from the fuel injector interface module

P0611 Information for specific makes

P0611 FORD
P0611 MAZDA