P0261 MAZDA Fuel Injector Driver Circuit Fault- Short To Ground- Injector 1

Possible causes
– Dirty Fuel Injector 1
– Faulty Fuel Injector 1
– Plugged Fuel Injector 1
– Fuel injector 1 harness is open or shorted
– Fuel injector 1 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.
– Engine Light ON (or Service Engine Soon Warning Light)
– Engine Misfire
– Engine Run Rough
– Low MPG
P0261 MAZDA OBD Code Description

Code P0261 is triggered when the Engine Control Module (ECM) detects a low voltage in the Fuel Injector 1 Circuit. During normal conditions the ECM turns the Fuel Injectors ON and OFF in the Fuel Injection System.

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