Variant 1
ECU- Catalog engine
- 1000 8V 54HP
- Controller brand
- MAGNETI MARELLI
- ECU
- IAW 4AFBFL HW421
- Stock power
- 54 HP
- ECU SW
- 1412512
- ECU HW
- S3201VG2
FIAT · IAW 4AFBFL HW421 ECU · petrol
FIAT PALIO IAW 4AFBFL HW421 tuning files
Tuning file coverage for the FIAT PALIO running the IAW 4AFBFL HW421 ECU. Stock output across the matched variants spans 54–54 HP. On this petrol engine the focus is sharper throttle and useful, repeatable gains. We match the right calibration to your exact software and validate it before delivery.
Available solutions
Applicable work for the IAW 4AFBFL HW421 on this petrol. The available set firms up once the exact engine and software are known.
Engine variants & ECU software
1 distinct variant for the FIAT PALIO on the IAW 4AFBFL HW421 ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the IAW 4AFBFL HW421 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the FIAT PALIO on the IAW 4AFBFL HW421?
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 4AFBFL HW421 ECU software on this model?
Yes — the FIAT PALIO on the IAW 4AFBFL HW421 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.