Ford Focus EMS25xx ECU Tuning File – F1FAEKD (1.5 GTDI Turbo) Stage 2 - Product specifications
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Stage 2 ECU file for Ford Focus 1.5 GTDI – EMS25xx Siemens Tricore platform with aggressive boost response
Push your Ford Focus 1.5 GTDI to the next level with this Stage 2 ECU remap based on the Siemens/Continental EMS25xx unit. Designed around software version F1FAEKD, this calibration delivers aggressive throttle response, sharper turbo boost, and extended torque curve while preserving reliable daily use characteristics. Built on Siemens Tricore architecture and checksum-verified using OLS818.
Overview Feature list Copyright info Releases (1) Discussion
- Stage 2 ECU remap for Ford Focus 1.5 GTDI on EMS25xx Siemens Tricore
- Software F1FAEKD modified for faster turbo response and increased torque
- Fuel and ignition maps optimised for high-octane operation
- Throttle pedal calibration enhanced for sportier driving feel
- Factory safety limits retained to preserve long-term reliability
- Checksum correction: OLS818 v3.29, Siemens Tricore
- Includes original version for safe rollback
- Tested under load on dyno bench
- For off-road/motorsport use only — check regional emission regulations