Variant 1
ECU- Catalog engine
- 1300 75HP
- Controller brand
- MAGNETI MARELLI
- ECU
- MJ8
- Stock power
- 75 HP
- ECU SW
- 1942GB20
- ECU HW
- MJ8F3HW1
- SW upgrade
- 1942GB20
- Calibration
- 1942GB20
FIAT · MJ8 ECU · diesel
FIAT GRANDE PUNTO MJ8 tuning files
Everything we work with on the FIAT GRANDE PUNTO fitted with the MJ8. The matched variants sit between 75 and 75 HP from the factory. 2 distinct variants are catalogued here. Diesel calibration here covers everything from a clean Stage 1 to the emissions-side work. Your file is built against the exact ECU software on the car, then operator-verified.
Available solutions
Solutions that apply to the MJ8 on this diesel platform. The exact set depends on the specific engine and software version.
Engine variants & ECU software
2 distinct variants for the FIAT GRANDE PUNTO on the MJ8 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 1300 MJET 75HP
- Controller brand
- MAGNETI MARELLI
- ECU
- MJ8
- Stock power
- 75 HP
- ECU SW
- 9442G271
- ECU HW
- MJ8DFHW0
- SW upgrade
- 9442G271
- Calibration
- 9442G271
Related vehicles
Other vehicles built on the MJ8 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the FIAT GRANDE PUNTO on the MJ8?
Stage 1, Stage 2, DPF Off, EGR Off, Swirl Flaps Off, Lambda / O2, MAF Off, TVA, NOx Off, AGS, Readiness, Start/Stop Off, Oil Pressure, Limp Mode Off. The exact set depends on the specific engine and software version.
Do you cover the MJ8 ECU software on this model?
Yes — the FIAT GRANDE PUNTO on the MJ8 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.
How is the file delivered?
Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.