Wey — Stage 1 / Stage 2 parameters database
The CHIPOK database holds 2 engines for Wey with reverse-engineered ECUs and Stage 1 / Stage 2 target parameters. We cover 2 models. A predominantly petrol lineup.
Models2
Engines2
ECU makersBosch / Continental / Denso / Siemens
File turnaround30–60 min
or choose step by step
1
Choose a vehicle type
2
Choose a make
3
Choose a model
4
Generation / years
5
Engine
Wey models in the database (2)
About Wey chip tuning
Engines and platforms:
- Main engines: 2.0T GW4N20
- Platforms: Coffee (Great Wall premium)
Supported ECUs:
- Manufacturers: Bosch / Continental / Denso / Siemens
- Specific Wey units in the database: Bosch ME17.8.10, MED17.X
- Wey specifics: premium Haval — same ECUs, torque map differs
Service terms:
- Calibrations are done by hand in WinOLS5 + Ghidra for each specific control unit
- Checksums are recalculated on the engineer's side — the file is ready to flash with a current programmer
- File returned within 30-60 minutes during working hours
- Free revisions based on an OBD log