Variant 1
ECU- Catalog engine
- 2500 175HP
- Controller brand
- MITSUBISHI
- ECU
- 8405F
- Stock power
- 175 HP
- ECU SW
- L5G6-18881-A
- ECU HW
- L5G6-188K1-
- SW upgrade
- L5G6-188K2-A
MAZDA · 8405F ECU
MAZDA 3 8405F tuning files
Everything we work with on the MAZDA 3 fitted with the 8405F. The matched variants sit between 145 and 175 HP from the factory. 7 distinct variants are catalogued here. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. We match the right calibration to your exact software and validate it before delivery.
Available solutions
Solutions that apply to the 8405F on this vehicle platform. The exact set depends on the specific engine and software version.
Engine variants & ECU software
7 distinct variants for the MAZDA 3 on the 8405F ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 2300 163HP
- Controller brand
- MITSUBISHI
- ECU
- 8405F
- Stock power
- 163 HP
- ECU SW
- SW-L3R4EC000.HEX
- ECU HW
- L3R418
Variant 3
ECU- Catalog engine
- 2300 163HP
- Controller brand
- MITSUBISHI
- ECU
- 8405F
- Stock power
- 163 HP
Variant 4
ECU- Catalog engine
- 2000 150HP
- Engine code
- LF67EB5W
- Controller brand
- MITSUBISHI
- ECU
- 8405F
- Stock power
- 150 HP
- ECU SW
- SW-LF70EF020.HEX
- ECU HW
- LF7018
Variant 5
ECU- Catalog engine
- 2000 145HP
- Engine code
- LF67EB5W
- Generation
- 2013-2018
- Matched gains engine
- 2.0 Skyactiv-G 145
- Controller brand
- MITSUBISHI
- ECU
- 8405F
- Stock power
- 145 HP
- Stage 1 power
- 175 HP
- Power increase
- +30 HP (+21%)
- Stock torque
- 210 Nm
- Stage 1 torque
- 220 Nm
- Torque increase
- +10 Nm (+5%)
- ECU SW
- SW-LF73EC010.HEX
- ECU HW
- LF7318
Variant 6
ECU- Catalog engine
- 2000 145HP
- Engine code
- LF67EB5W
- Generation
- 2013-2018
- Matched gains engine
- 2.0 Skyactiv-G 145
- Controller brand
- MITSUBISHI
- ECU
- 8405F
- Stock power
- 145 HP
- Stage 1 power
- 175 HP
- Power increase
- +30 HP (+21%)
- Stock torque
- 210 Nm
- Stage 1 torque
- 220 Nm
- Torque increase
- +10 Nm (+5%)
- ECU SW
- SW-LF70EF020.HEX
- ECU HW
- LF7018
Variant 7
ECU- Catalog engine
- 2000 145HP
- Engine code
- LF67EB5W
- Generation
- 2013-2018
- Matched gains engine
- 2.0 Skyactiv-G 145
- Controller brand
- MITSUBISHI
- ECU
- 8405F
- Stock power
- 145 HP
- Stage 1 power
- 175 HP
- Power increase
- +30 HP (+21%)
- Stock torque
- 210 Nm
- Stage 1 torque
- 220 Nm
- Torque increase
- +10 Nm (+5%)
- ECU SW
- SW-LFP1EB000.HEX
Related vehicles
Other vehicles built on the 8405F controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the MAZDA 3 on the 8405F?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the 8405F ECU software on this model?
Yes — the MAZDA 3 on the 8405F 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.