FIAT · MJ8F3 ECU · diesel

FIAT QUBO MJ8F3 tuning files

Everything we work with on the FIAT QUBO fitted with the MJ8F3. Stock output across the matched variants spans 75–95 HP. On this diesel, expect the complete diesel toolset — from Stage work to the common delete requests. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

Upload your file →All QUBO coverage

Available solutions

Solutions that apply to the MJ8F3 on this diesel platform. The exact set depends on the specific engine and software version.

Stage 1 Stage 2 DPF Off EGR Off Swirl Flaps OffLambda / O2MAF OffTVANOx OffAGSReadinessStart/Stop OffOil PressureLimp Mode Off

Engine variants & ECU software

28 distinct variants for the FIAT QUBO on the MJ8F3 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 1300 95HP
Engine code: 199 B4.000
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 95 HP
ECU SW: 304AQC10
ECU HW: MJ8F3HW20P
SW upgrade: 304AQC10
Calibration: 304AQC10

Variant 2

ECU

Catalog engine: 1300 MJET 95HP
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 95 HP
ECU HW: MJ8F3HW10C
SW upgrade: 1743Q321

Variant 3

ECU

Catalog engine: 1300 MJET 95HP
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 95 HP
ECU SW: 2841QC48
ECU HW: MJ8F3HW20P
SW upgrade: 2841QC48
Calibration: 2841QC48

Variant 4

ECU

Catalog engine: 1300 MJET 95HP
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 95 HP
ECU HW: MJ8F3HW10C
SW upgrade: 1743Q121
Calibration: 1743Q121

Variant 5

ECU

Catalog engine: 1300 MJET 95HP
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 95 HP
ECU SW: 2540Q330
ECU HW: MJ8F3HW10C
SW upgrade: 2540Q330
Calibration: 2540Q330

Variant 6

ECU

Catalog engine: 1300 MJET 95HP
Engine code: 199 B1.000
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 95 HP
ECU SW: 1942Q322
ECU HW: MJ8F3HW10C
SW upgrade: 1942Q322
Calibration: 1942Q322

Variant 7

ECU

Catalog engine: 1300 MJET 95HP
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 95 HP
ECU SW: 2841QC44
ECU HW: MJ8F3HW20P
SW upgrade: 2841QC44
Calibration: 2841QC44

Variant 8

ECU

Catalog engine: 1300 MJET 95HP
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 95 HP
ECU SW: 2841QB48
ECU HW: MJ8F3HW20P
SW upgrade: 2841QB48
Calibration: 2841QB48

Variant 9

ECU

Catalog engine: 1300 75HP
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU SW: 3044Q405
ECU HW: MJ8F3HW10L
SW upgrade: 3044Q405
Calibration: 3044Q405

Variant 10

ECU

Catalog engine: 1300 75HP
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU HW: MJ8F3HW10C
SW upgrade: 254AQ310

Variant 11

ECU

Catalog engine: 1300 75HP
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU HW: MJ8F3HW10P
SW upgrade: 254AF610

Variant 12

ECU

Catalog engine: 1300 75HP
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU HW: MJ8F3HW10C
SW upgrade: 254AQ210
Calibration: 254AQ210

Variant 13

ECU

Catalog engine: 1300 75HP
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU HW: MJ8F3HW10L
SW upgrade: 2841Q648

Variant 14

ECU

Catalog engine: 1300 75HP
Engine code: 199 A9.000
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU SW: 254AQ110
ECU HW: MJ8F3HW10C
SW upgrade: 254AQ110
Calibration: 254AQ110

Variant 15

ECU

Catalog engine: 1300 75HP
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU HW: MJ8F3HW10P
SW upgrade: 254AF410
Calibration: 254AF410

Variant 16

ECU

Catalog engine: 1300 75HP
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU HW: MJ8F3HW10L
SW upgrade: 2841Q648
Calibration: 2841Q648

Variant 17

ECU

Catalog engine: 1300 75HP
Engine code: 199 A9.000
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU SW: 254AF710
ECU HW: MJ8F3HW10P
SW upgrade: 254AF710
Calibration: 254AF710

Variant 18

ECU

Catalog engine: 1300 MJET 16V 75HP
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU SW: 1743Q121
ECU HW: MJ8F3HW10C
SW upgrade: 1743Q121
Calibration: 1743Q121

Variant 19

ECU

Catalog engine: 1300 MJET 75HP
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU HW: MJ8F3HW10P
SW upgrade: 2442F730

Variant 20

ECU

Catalog engine: 1300 MJET 75HP
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU HW: MJ8F3HW10L
SW upgrade: 284AQ410

Variant 21

ECU

Catalog engine: 1300 MJET 75HP
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU HW: MJ8F3HW1FP
SW upgrade: 2442D330

Variant 22

ECU

Catalog engine: 1300 MJET 75HP
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU HW: MJ8F3HW10C
SW upgrade: 1743Q321

Variant 23

ECU

Catalog engine: 1300 MJET 75HP
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU SW: 2540Q130
ECU HW: MJ8F3HW10C
SW upgrade: 2540Q130
Calibration: 2540Q130

Variant 24

ECU

Catalog engine: 1300 MJET 75HP
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU HW: MJ8F3HW10P
SW upgrade: 2540F231
Calibration: 2540F231

Variant 25

ECU

Catalog engine: 1300 MJET 75HP
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU SW: 2540F531
ECU HW: MJ8F3HW10P
SW upgrade: 2540F531
Calibration: 2540F531

Variant 26

ECU

Catalog engine: 1300 MJET 75HP
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU SW: 2841Q444
ECU HW: MJ8F3HW10L
SW upgrade: 2841Q444
Calibration: 2841Q444

Variant 27

ECU

Catalog engine: 1300 MJET 75HP
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU SW: 284AQ410
ECU HW: MJ8F3HW10L
SW upgrade: 284AQ410
Calibration: 284AQ410

Variant 28

ECU

Catalog engine: 1300 MJET 75HP
Generation: 2008-2016
Matched gains engine: 1.3 Mjet 75
Controller brand: MAGNETI MARELLI
ECU: MJ8F3
Stock power: 75 HP
Stage 1 power: 95 HP
Power increase: +20 HP (+27%)
Stock torque: 190 Nm
Stage 1 torque: 240 Nm
Torque increase: +50 Nm (+26%)
ECU SW: 2841Q448
ECU HW: MJ8F3HW10L
SW upgrade: 2841Q448
Calibration: 2841Q448

Related vehicles

Other vehicles built on the MJ8F3 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the FIAT QUBO on the MJ8F3?

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 MJ8F3 ECU software on this model?

Yes — the FIAT QUBO on the MJ8F3 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.