FIAT · IAW 4AFBBF HW427 ECU · petrol

FIAT UNO IAW 4AFBBF HW427 tuning files

The FIAT UNO on the IAW 4AFBBF HW427, mapped from stock file to finished result. The matched variants sit between 68 and 68 HP from the factory. 2 distinct variants are catalogued here. Petrol calibration here is about crisp response and a result that holds up day to day. Your file is built against the exact ECU software on the car, then operator-verified.

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Available solutions

Solutions that apply to the IAW 4AFBBF HW427 on this petrol platform. The exact set depends on the specific engine and software version.

Stage 1Stage 2Swirl Flaps OffLambda / O2OPF/GPF Off

Engine variants & ECU software

2 distinct variants for the FIAT UNO on the IAW 4AFBBF HW427 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1300 68HP
Controller brand
MAGNETI MARELLI
ECU
IAW 4AFBBF HW427
Stock power
68 HP

Variant 2

ECU
Catalog engine
1300 68HP
Controller brand
MAGNETI MARELLI
ECU
IAW 4AFBBF HW427
Stock power
68 HP
ECU SW
6001U41
ECU HW
IAW4AFHW427

Related vehicles

Other vehicles built on the IAW 4AFBBF HW427 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the FIAT UNO on the IAW 4AFBBF HW427?

Stage 1, Stage 2, Swirl Flaps Off, Lambda / O2, OPF/GPF Off. The exact set depends on the specific engine and software version.

Do you cover the IAW 4AFBBF HW427 ECU software on this model?

Yes — the FIAT UNO on the IAW 4AFBBF HW427 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 UNO IAW 4AFBBF HW427 ECU Tuning Files | TuningBay