Delphi EJDR00301Z Diesel Injector
2.0L TDCi · EJDR00301Z
Remanufactured Delphi EJDR00301Z diesel injector for Ford Mondeo and Jaguar X-Type 2.0 TDCi early-generation applications. Cross-references EJDR00101Z, EJDR00002Z, EJDR00001Z, 2S7Q-9K546-AH, 2S7Q-9K546-AJ, HRD322 family code. Fits FMBA, FMBB, N7BA and N7BB engine codes exclusively. Not to be confused with later HRD330, HRD326 or HRD324 revisions. OEM-tested and calibrated with full flow and leak-back verification on CR318 PRO test bench. Includes 12-month unlimited-mileage warranty. Supplied as an exchange unit — return your old injector within 30 days.
4
Engine codes
26
OE / cross-refs
3
Vehicle fitments
12mo
Warranty
Common failure symptoms
On the 2.0L TDCi platform, a failing Delphi EJDR00301Z injector typically presents as: hot-start failure or very long cranking when warm; cold-start rattle / injector knock; misfire and uneven running at idle; black smoke under acceleration; cutting out at junctions when hot.
When two or more of these appear together, suspect the injector before peripheral systems — a comparative leak-off test and live-data cylinder-balance review will isolate the failed unit without tear-down.
When two or more symptoms appear together, suspect the injector before peripherals (EGR, glow plugs, turbo). A live-data leak-off test on each cylinder is the fastest route to the failed unit.
What Causes These Injectors To Fail
The documented failure modes on this platform are: excessive injector back-leak preventing rail pressure build when hot (classic delphi ejdr failure); worn injector internals causing combustion knock; low-pressure fuel supply aeration compounding hot-start faults.
Internal wear cannot be repaired in situ — once delivery drifts outside calibration, remanufacture or replacement is the reliable fix.
How Workshops Diagnose EJDR00301Z Faults
A warm-engine leak-off test is the decisive diagnostic on this family — cold tests can pass a failing injector. Delphi injectors are calibrated: the new injector's calibration code must be programmed at fitting. Check the low-pressure supply and lift pump before condemning injectors. Label leak-off pipes before removal to avoid cross-connection.
Never condemn a common-rail injector on a fault code alone — codes identify the circuit or cylinder, while leak-off volumes and correction values identify the component.
How Every Unit Is Tested Before Despatch
Each remanufactured EJDR00301Z is fully stripped, ultrasonically cleaned and inspected; worn components are replaced with OE-grade parts. The rebuilt unit is then calibrated on a common-rail test bench against the manufacturer's specification sheet — delivery, back-leak and response are all verified before the injector is sealed and despatched with its calibration data on file.
Every unit carries a 12-month parts warranty and free UK delivery.
Vehicle Coverage At A Glance
The EJDR00301Z trusted family covers 3 verified vehicle fitments across 2 makes: Ford and Jaguar. Every fitment listed on this page is registry-verified — no scraped or assumed applications.
OE & Cross-References
EJDR00301Z supersedes or cross-references 24 further OE numbers, including EJDR00101Z, EJDR00002Z, EJDR00001Z, R00301Z, R00101Z, R00002Z, R00001Z and HRD322. Always match the reference etched on your failed unit's body — cross-references within a family are verified equivalents, but etched numbers remain the source of truth.
Related fault codes & engine guides
Trusted compatibility
Vehicle fitments
| Make | Model | Engine | Years |
|---|---|---|---|
| Ford | Mondeo Mk3 | 2.0 TDCi 115/130hp (FMBA/FMBB) | 2001–2007 |
| Ford | Mondeo Mk3 | 2.0 TDCi 130hp (N7BA/N7BB) | 2003–2007 |
| Jaguar | X-Type | 2.0 D 130hp (FMBA) | 2003–2009 |
Confirm fitment by registration
Enter your UK registration to verify your vehicle is in this trusted family. We'll cross-check the engine code against FMBA / FMBB / N7BA and the rest of the cluster.
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Frequently asked
Related engine guides
Other Delphi and same-platform injector families worth checking.
All cross-references in this family
Every reference below resolves to a PDP linked to this trusted family. EJDR00301Z, EJDR00101Z, EJDR00002Z, EJDR00001Z, R00301Z, R00101Z, R00002Z, R00001Z, HRD322, 2S7Q9K546AH, 2S7Q9K546AJ, 3S7Q9K546AJ, RM2S7Q9K546AJ, RM2S7Q9K546BB, 1146031, 1150607, 1152989, 1226331, 1376694, DI351, 87053, 812036, GID30301Z, DFIR00301Z, 48534710.
Delphi know-how from the Knowledge Centre
Identification, coding, fitting and the mistakes that cause comebacks.