Marelli MJD8 — Magneti Marelli ECU — the Italian FCA platform (Fiat/Alfa/Lancia, Multijet diesels and JTDM petrols). Found on Fiat, Alfa Romeo, Citroen and 2 more brands — 35 modifications in our database. Available tuning options: Stage 1/2 calibration, disabling DPF/FAP · EGR recirculation · CAT/Lambda, removing the swirl-flap logic, disabling the speed limiter and software fault-code clearing, return to the original firmware. Reading and writing via KESS3, MPPS V21, PCMflash, BFlash.
The Marelli MJD8 ECU is fitted to 35 engines in the CHIPOK database across 5 brands. Top: Fiat (28), Alfa Romeo (2), Citroen (2), Lancia (2), Peugeot (1).
On the Marelli MJD8 the following are available: STAGE 1, LAMBDA OFF, DPF OFF, STAGE 2, EGR OFF, DTC OFF, VMAX OFF, FLAPS OFF, ECO TUNING, TVA OFF. All options combine in the calculator with the package Max Price cap.
To flash the Marelli MJD8 the following is used: KESS3, Autotuner, MPPS, KTAG, CMD Flash, Trasdata, MagicMotorSport. CHIPOK accepts .bin/.hex/.ori from any of the listed programmers.
Stage 1 on the diesel Marelli MJD8 reprograms rail pressure target, SOI/EOI timing, boost target, smoke limiter and torque limiter. The torque gain is noticeable; the HP gain depends on the specific engine.
A Marelli MJD8 file is accepted in .bin/.hex/.ori format (full read) from any programmer: KESS3, Autotuner, MPPS, KTAG. Checksums are recalculated by hand in WinOLS5.
Flashing the Marelli MJD8 takes 25-30 minutes in OBD mode or ~60 minutes on Bench. Once the file is received, CHIPOK processes it in 5-30 minutes.
The cost of flashing the Marelli MJD8 is calculated in the price calculator: you select options (Stage 1/2, DPF off, EGR off, AdBlue off, DTC off, etc.) and the final price is capped by the package Max Price. Paid with credits (1 cr = 1 €), no subscriptions.