Possible causes

– Dirty Fuel Injector 5
– Faulty Fuel Injector 5
– Plugged Fuel Injector 5
– Fuel injector 5 harness is open or shorted
– Fuel injector 5 circuit poor electrical connection

Tech notes

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

P0273 Description

Code P0273 is triggered when the Engine Control Module (ECM) detects a low voltage in the Fuel Injector 5 Circuit. During normal conditions the ECM turns the Fuel Injectors ON and OFF in the Fuel Injection System.

P0273 Information for specific makes

P0273 BMW
P0273 FORD
P0273 HYUNDAI
P0273 KIA
P0273 MAZDA
P0273 VOLKSWAGEN
P0273 AUDI