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Supported Vehicles:

  • USDM 2014 Fiesta ST
  • USDM 2015 Fiesta ST
  • USDM 2016 Fiesta ST
  • USDM 2017 Fiesta ST
  • USDM 2018 Fiesta ST
  • USDM 2019 Fiesta ST







Required Accessport Firmware:

  • V3: 1.7.3.0-14378 or greater



Map Availability: Download from the COBB Tuning Fiesta ST OTS Map Database 





Stock
Stage1 93

MapPeak GainsLargest Gains
Stage1 91 OCT / 95 RON

+2% HP / +19% TQ

+4% HP / +23% TQ
Stage1 93 OCT / 98 RON

+2% HP / +21% TQ

+5% HP / +26% TQ


Stage1

  • Intake Requirements: COBB Panel Filter 702100 (discontinued)
  • Exhaust requirements: Stock exhaust, or COBB catback exhaust system 501101
  • Boost Target: (Dynamic based upon map slot)
    • 91 Octane / (95 RON)
      • Map slot 1 = Max Perf. - ~20.5psi peak boost pressure tapering down to ~13.5psi by the 6500 RPM redline, +/- 3psi.

      • Map slot 2 = Economy - ~8.0psi peak boost pressure, not to be used for aggressive driving

    • 93 Octane / (98 RON)
      • Map slot 1 = Max Perf. - ~20.5psi peak boost pressure tapering down to ~13.5psi by the 6500 RPM redline, +/- 3psi.

      • Map slot 2 = Economy - ~8.0psi peak boost pressure, not to be used for aggressive driving


C.A.R.B Note

The above Stage1 calibration(s) is legal for use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it and the parts have a California Air Resources Board (CARB) Executive Order (EO) number: 


Stock
Stage2 93

MapPeak GainsLargest Gains
Stage2 91 OCT / 95 RON

+7% HP / +22% TQ

+12% HP / +27% TQ
Stage2 93 OCT / 98 RON

+9% HP / +24% TQ

+14% HP / +29% TQ

Stage2

  • Intake Requirements:  COBB intake system 702100 (discontinued)
  • Intercooler Requirement: Upgraded COBB front mount 702500
  • Exhaust requirements: Stock exhaust, or COBB catback exhaust system 501101
  • Boost Target: (Dynamic based upon map slot)
    • 91 Octane / (95 RON)
      • Map slot 1 = Max Perf. - ~21.5psi peak boost pressure tapering down to ~13.5psi by the 6500 RPM redline, +/- 3psi.

      • Map slot 2 = Economy - ~8.0psi peak boost pressure, not to be used for aggressive driving

    • 93 Octane / (98 RON)
      • Map slot 1 = Max Perf. - ~21.5psi peak boost pressure tapering down to ~13.5psi by the 6500 RPM redline, +/- 3psi.

      • Map slot 2 = Economy - ~8.0psi peak boost pressure, not to be used for aggressive driving


C.A.R.B Note

The above Stage2+ calibration(s) is legal for use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it and the parts have a California Air Resources Board (CARB) Executive Order (EO) number: 


Stock
Stage3 93

MapPeak GainsLargest Gains
Stage2 91 OCT / 95 RON

+13% HP / +33% TQ

+21% HP / +39% TQ
Stage2 93 OCT / 98 RON+15% HP / +35% TQ+23% HP / +41% TQ

Stage3

  • Intake Requirements: COBB intake system 702110
  • Intercooler Requirement: Upgraded COBB front mount 702500
  • Exhaust requirements: COBB catted downpipes 501200 and COBB catback exhaust system 501101
  • Boost Target: (Dynamic based upon map slot)
    • 91 Octane / (95 RON)
      • Map slot 1 = Max Perf. - ~22.0psi peak boost pressure tapering down to ~13.5psi by the 6500 RPM redline, +/- 3psi.

      • Map slot 2 = Economy - ~8.0psi peak boost pressure, not to be used for aggressive driving

    • 93 Octane / (98 RON)
      • Map slot 1 = Max Perf. - ~22.0psi peak boost pressure tapering down to ~13.5psi by the 6500 RPM redline, +/- 3psi.

      • Map slot 2 = Economy - ~8.0psi peak boost pressure, not to be used for aggressive driving


Non-Performance Maps

Non-Performance

  • Anti-Theft Mode
    • Will not allow vehicle to run
  • Valet Mode
    • Fuel Requirements: 87 or 89 OCT (89 RON) fuel minimum
    • Intake / Exhaust Requirements: Any
    • Boost Targets: Stock Settings
    • Rev Limiter: 3300 RPM
    • Speed Limiter: 35mph (56.3 kph)


C.A.R.B Note

The above  calibration(s) is legal for use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it and the parts have a California Air Resources Board (CARB) Executive Order (EO) number: 




Calibration Strategy Information 
See our Octane Adjust Ratio technical article for additional information regarding some of the strategies we utilize in these calibrations! 




Closing Warnings and Precautions:

  • Use of inappropriate calibration/modification combinations will promote engine damage.
  • Seek the help of a professional COBB Accesstuner Professional should your vehicle fall outside of OTS configurations.
  • COBB OTS mapping is NOT designed to be used with upgraded aftermarket boost actuators or solenoids. Doing so may result in much higher than desired boost and potential engine damage. Seek the help of a COBB Accesstuner Professional should your vehicle fall outside of OTS configurations.
  • Top Tier gasoline should be used where available. Use of lower quality fuels can result in catastrophic engine damage.

Burnout Mode, Launch Control, and Flat-Foot-Shift (LC/FFS) are abusive to the engine, clutch, transmission, axles, and differential. The user accepts all risks and responsibilities when using these features.

Performance calibrations not designed for use when towing.



Revision History: 

VersionNotes:
v506

Maps have been updated to eliminate unnecessary DTC suppression.

v505

Added support for 2019 model year; updated revision # for parity for all other Fiesta ST maps.

v504

Updated revision # for maintenance parity with other AP3-FOR-001 Focus ST applications (no calibration changes).

v503
  • Bug fix for Map Switching Slot Notifier.
  • Anti-Theft calibration fix.
  • Map Switching Notifier improvement.
v501

"Enable Gear Shift Hang" toggle checked based on customer feedback.  

v500
  • All Fiesta ST maps are now v500 and have the new naming convention for Staged maps.
  • "Enable Gear Shift Hang" toggle unchecked.
  • Realtime capable tables (assortment varies)
  • All of these maps are now "Simple SD" capable.
  • New Traction Control default values. (feature is still disabled on OTS, can be enabled using the Accessport) 
v400
v221
  • Fixed a bug that could allow the map switching menu to activate during cruise control and resume activities.
v220
  • Synchronized platform features (see custom feature documentation). Adjusted ignition correction strategies to allow faster torque delivery in optimal conditions. Adjusted octane learning strategy to enhance post-installation experience. Adjusted LSPI strategy for increased safety margins. Eliminated "Economy Mode" map by incorporating into Slot2 of all Performance Calibrations. Added Burnout Mode Feature (5000rpm). Added Advanced Launch Control functionality. 2500rpm Fuel Cut, 4000rpm Throttle Cut. Added and adjusted 3D Power Demand Fuel and Optimum Power VCT tables.
v202
  • Adjusted ECT based rev limiter on MY14 Fiesta ST Valet Mode map to prevent FSC from occurring.
v201
  • Adjusted high load closed loop fueling for part throttle conditions.
v200
  • Added 5-Way map switching* features as described above.
  • Map slot 1 = Performance – This is the standard OTS map with full performance.
  • Map slot 2 = Pseudo-Economy – This mode disables the wastegate and adjusts WOT fueling for efficiency. This can be used to quickly lower power for times when performance is not needed but is not as thorough as the true Economy Mode calibration. For full economy enhancements please use the Economy Mode calibration.


v104
  • Adjusted shift assist logic.
  •  Adjusted wastegate to prevent boost oscillation on Stage 3 maps.
v103
  • Added On-the-Fly Launch Control Modes and Flat-Foot-Shift features for Stage 1
  • Adjusted rev limiter strategy for Stage 1
  • Original release calibration for Stage 2 and 3
    • Adjusted fuel, ignition timing, boost control (including overboost), camshaft phasing (Ti-VCT), throttle ramping, EcoMode shift indicators, cooling fans, and base programming logic. Reduced compensations for more consistent power delivery. Adjusted torque, gear, load, boost, airflow, temperature, speed, and rev limits. Includes On-the-Fly Launch Control Modes and Flat-Foot-Shift features.
v102
  • Adjusted closed loop fueling targets to ensure all I/M readiness monitor tests were capable of running. Set Launch Control RPM to match Primary Rev Limit to allow full sweep testing on 2WD dynamometers. Adjusted torque targets in all gears at WOT for increased performance.
v101
  • Added custom volumetric efficiency estimation monitors to the ECU. Adjusted torque limits to prevent rare limp mode conditions. Optimized fuel, wastegate, and timing strategies for overall efficiency and consistency.
v100
  • Original release calibration. Adjusted fuel, ignition timing, boost control (including overboost), camshaft phasing (Ti-VCT), throttle ramping, EcoMode shift indicators, cooling fans, and base programming logic. Reduced compensations for more consistent power delivery. Adjusted torque, gear, load, boost, airflow, temperature, speed, and rev limits



*5-Way map switching and COBB Traction Control settings can only be configured with Accesstuner software.





Custom Feature Cruise Control Button Assignments

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