EJBR03902D — Frequently Asked Questions
Verified answers about the Delphi EJBR03902D 2.9 CRDi (J3) Common Rail Injector (Kia Carnival/Sedona).
What is Delphi injector EJBR03902D?
A Delphi solenoid common-rail diesel injector for the Kia 2.9 CRDi (J3) engine in the Carnival/Grand Carnival/Sedona. Kia OE 33800-4X400; Delphi equivalent R03902D.
Which vehicles use EJBR03902D?
Kia Carnival II, Grand Carnival and Sedona 2.9 CRDi (J3).
Is it solenoid or piezo?
It is a Delphi solenoid common-rail injector.
Does EJBR03902D need coding?
Yes - code the injector trim/correction code to the correct cylinder with the relevant diagnostic when fitting.
What is the OE part number?
Kia 33800-4X400 references Delphi EJBR03902D (R03902D).
Is 33800-4X400 the same as 33800-4X800?
No - 4X800 is a different part (EJBR02901D, Hyundai Terracan). Match the OE number stamped on your original injector and the engine code.
What are the symptoms of failure?
Rough idle, vibration, hard starting, black smoke, power loss/limp mode and an EML.
Why does my Carnival 2.9 CRDi run rough?
A worn or leaking injector unbalances fuelling; read live back-leakage data and bench-test the suspect cylinder.
What causes these injectors to fail?
Poor fuel filtration, contamination and back-leakage wear - fix the cause first.
Does a remanufactured EJBR03902D perform like new?
A properly remanufactured injector is bench-tested and recalibrated to the Delphi plan, then trim-coded on fitment.