Marelli MJD9DF ECU Tuning
Engine control unit used in 18 supported models from 6 makes.
Alfa Romeo with the Marelli MJD9DF
All Alfa Romeo tunes- Alfa Romeo MiTo2008+1.3 Mjet, 1.3 Mjet EU6AutoTuner
Citroen with the Marelli MJD9DF
All Citroen tunes- Citroen Nemo2009+1.3 HDIAutoTuner
Fiat with the Marelli MJD9DF
All Fiat tunes- Fiat 5002015+1.3 Mjet EU6AutoTuner
- Fiat 500L2012+1.3 Mjet, 1.3 Mjet EU6AutoTuner
- Fiat 500X2014+1.3 Mjet EU6AutoTuner
- Fiat Doblo2006+1.3 Mjet, 1.3 Mjet EU6AutoTuner
- Fiat Ducato2016+III - AM2020, III - Phase II · 2.3 Multijet2 (Euro6), 2.3 Multijet2 (Euro6d), 2.3 Multijet2 Power (Euro6d)AutoTuner
- Fiat Fiorino2016+1.3 MjetAutoTuner
- Fiat Grande Punto2005+1.3 MjetAutoTuner
- Fiat Panda2012+1.3 Mjet EU6AutoTuner
- Fiat Punto2012+PHASE III · 1.3 MjetAutoTuner
- Fiat Punto EVO2010+1.3 MjetAutoTuner
- Fiat Qubo2008+1.3 Mjet EU6AutoTuner
- Fiat Strada2009+1.3 MjetAutoTuner
- Fiat Tipo/Egea2016+1.3 Mjet EU6AutoTuner
Lancia with the Marelli MJD9DF
All Lancia tunes- Lancia Ypsilon2016+1.3 Mjet EU6AutoTuner
Opel with the Marelli MJD9DF
All Opel tunes- Opel Combo2015+1.3 CDTIAutoTuner
Peugeot with the Marelli MJD9DF
All Peugeot tunes- Peugeot Bipper2009+1.3 HDIAutoTuner
About Marelli MJD9DF tuning
The Marelli MJD9DF engine control unit is supported in 18 models from Alfa Romeo, Citroen, Fiat, Lancia, Opel, Peugeot. We read, modify, and flash it with AutoTuner, then verify the result on our Dynojet 424xLC2 in Jenison, MI. A custom calibration optimizes fueling, ignition timing, boost, and torque limits for your exact build.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.