0445110489 — Frequently Asked Questions
Verified answers about the Bosch 0445110489 1.5 TDCi Common Rail Injector (Ford Fiesta/Focus/Transit Connect).
What is Bosch injector 0445110489?
A Bosch solenoid common-rail diesel injector for the Ford 1.5 TDCi (DV5) engine. Ford service number CV6Q-9F593-AA; Bosch alternate 0986435288.
Which vehicles use 0445110489?
Ford Fiesta, B-MAX, C-MAX, Focus, EcoSport, Transit Connect and Transit Courier 1.5 TDCi.
Is it solenoid or piezo?
It is a Bosch solenoid common-rail injector.
What is the Ford part number?
Ford service numbers include CV6Q-9F593-AA and CV8Q-9F593-AA referencing Bosch 0445110489.
Does it need coding?
Yes - write the IQA/correction value to the correct cylinder with Ford IDS/FDRS when fitting.
What are the symptoms of failure?
Rough idle, vibration, hard starting, black smoke, power loss/limp mode and an EML.
Why does my 1.5 TDCi Fiesta run rough?
A leaking or worn injector unbalances fuelling; read live correction data and bench-test to confirm the cylinder.
What causes these injectors to fail?
Poor fuel filtration, contamination and back-leakage wear - fix the cause, not just the injector.
Do I need a new copper washer?
Yes - the combustion washer is single-use; reusing it causes blow-by and carbon build-up.
Does a remanufactured 0445110489 perform like new?
A properly remanufactured injector is bench-tested and recalibrated to the Bosch plan, then coded on fitment.