Marelli MJD8F3 ECU Tuning
Engine control unit used in 21 supported models from 7 makes.
Alfa Romeo with the Marelli MJD8F3
All Alfa Romeo tunes- Alfa Romeo MiTo2008+1.3 MjetAutoTuner
Citroen with the Marelli MJD8F3
All Citroen tunes- Citroen Nemo2009+1.3 HDIAutoTuner
Fiat with the Marelli MJD8F3
All Fiat tunes- Fiat 5002007+1.3 MjetAutoTuner
- Fiat 500L2012+1.3 MjetAutoTuner
- Fiat Doblo2006+1.3 MjetAutoTuner
- Fiat Ducato2002+II - Phase I, III - Phase I, III - Phase II · 2.3 JTDm, 2.3 Multijet2 (Euro6)AutoTuner
- Fiat Fiorino2007+1.3 MjetAutoTuner
- Fiat Grande Punto2005+1.3 MjetAutoTuner
- Fiat Idea2004+1.3 MjetAutoTuner
- Fiat Linea2007-20151.3 MjetAutoTuner
- Fiat Panda2003+1.3 MjetAutoTuner
- Fiat Punto2012+PHASE III · 1.3 MjetAutoTuner
- Fiat Punto EVO2010+1.3 MjetAutoTuner
- Fiat Qubo2008+1.3 MjetAutoTuner
- Fiat Strada2009+1.3 MjetAutoTuner
- Fiat Tipo/Egea2016+1.3 MjetAutoTuner
Lancia with the Marelli MJD8F3
All Lancia tunes- Lancia Musa2004+1.3 MjetAutoTuner
- Lancia Ypsilon2004+1.3 MjetAutoTuner
Opel with the Marelli MJD8F3
All Opel tunes- Opel Combo2015+1.3 CDTIAutoTuner
Peugeot with the Marelli MJD8F3
All Peugeot tunes- Peugeot Bipper2009+1.3 HDIAutoTuner
Suzuki with the Marelli MJD8F3
All Suzuki tunes- Suzuki S-Cross2016+1.3 MjetAutoTuner
About Marelli MJD8F3 tuning
The Marelli MJD8F3 engine control unit is supported in 21 models from Alfa Romeo, Citroen, Fiat, Lancia, Opel, Peugeot, Suzuki. 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.