Delphi EJDR01101D Diesel Injector

2.4L TDCi · Remanufactured

Remanufactured Delphi EJDR01101D common-rail diesel injector (Delphi exchange HRD331 / reman R01101D) for the Ford Transit 2.4 TDCi (2004–2006, H9FA engine). OE references Ford 4C1Q-9K546-AB / 4C1Q-9K546-BA; supersedes the earlier EJDR00403Z / R00403Z. Fully tested and calibrated to OEM specification with 12 months warranty.

Shared engine codes

H9FA

Compatible vehicles

Common EJDR01101D injector failure symptoms

Hard starting or extended cranking; rough or uneven idle; loss of power under load; excess smoke from the exhaust; cylinder misfire or contribution fault codes. When two or more appear together, suspect the injector before peripherals — a comparative leak-off test isolates the failed unit without tear-down.

What causes these injectors to fail

Injector back-leak beyond specification; nozzle wear degrading the spray pattern; combustion gas leaks past the injector seat washer. Internal wear cannot be repaired in situ — once delivery drifts outside calibration, remanufacture or replacement is the reliable fix.

How workshops diagnose EJDR01101D faults

Run a comparative leak-off (back-leak) test across all injectors before condemning a single unit. Compare requested vs actual rail pressure in live data at idle and under load. Inspect injector connectors and wiring before replacing hardware. Never condemn a common-rail injector on a fault code alone.

How every unit is tested before despatch

Each remanufactured EJDR01101D is fully stripped, ultrasonically cleaned and inspected; worn components are replaced with OE-grade parts. The rebuilt unit is calibrated on a common-rail test bench against the manufacturer's specification — delivery, back-leak and response verified — and despatched with a 12-month parts warranty and its calibration data on file.

Vehicle coverage at a glance

The EJDR01101D trusted family covers 1 verified vehicle fitments across 1 makes: Ford. Every fitment listed is registry-verified.

OE & cross-references

EJDR01101D cross-references 8 further OE numbers, including R01101D, HRD331, R00403Z, EJDR00403Z, 4C1Q9K546AB, 4C1Q-9K546-AB, 4C1Q9K546BA and 4C1Q-9K546-BA. Always match the reference etched on your failed unit's body.

Related fault codes & engine guides

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