FIAT · MJ9DF ECU · diesel

FIAT FIORINO MJ9DF tuning files

The FIAT FIORINO on the MJ9DF, mapped from stock file to finished result. Stock output across the matched variants spans 95–95 HP. It is a diesel platform, so the full diesel solution range is on the table. Your file is built against the exact ECU software on the car, then operator-verified.

Available solutions

What we can run on the MJ9DF for this diesel — the precise options narrow down by engine and software version.

Stage 1Stage 2DPF OffEGR OffSwirl Flaps OffLambda / O2MAF OffTVANOx OffAGSReadinessStart/Stop OffOil PressureLimp Mode Off

Engine variants & ECU software

1 distinct variant for the FIAT FIORINO on the MJ9DF ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1300 95HP
Generation
2011-2018
Matched gains engine
1.3 JTD 95
Controller brand
MAGNETI MARELLI
ECU
MJ9DF
Stock power
95 HP
Stage 1 power
115 HP
Power increase
+20 HP (+21%)
Stock torque
200 Nm
Stage 1 torque
250 Nm
Torque increase
+50 Nm (+25%)
ECU SW
4F42
ECU HW
MJ9DFHW000
SW upgrade
4F42F425
Calibration
4F42F425

Related vehicles

Other vehicles built on the MJ9DF controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the FIAT FIORINO on the MJ9DF?

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 MJ9DF ECU software on this model?

Yes — the FIAT FIORINO on the MJ9DF 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.

FIAT FIORINO MJ9DF ECU Tuning Files | TuningBay