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HOMESERVICE MANUALSFORD2021EDGE SE, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 492 (ENGINE CONTROLS - DESCRIPTION & OPERATION (DIESEL))POWERTRAIN CONTROL SOFTWAREENGINE RPM AND VEHICLE SPEED LIMITER
2021 Ford Edge SE, 4WD

Engine RPM And Vehicle Speed Limiter

2021 Ford Edge SE, 4WDSECTION Engine RPM And Vehicle Speed Limiter
WARNING: This page is about a different car, the 2020 Ford F-550 Super Duty, 2020 Ford F-450 Super Duty, 2020 Ford F-350 Super Duty, 2020 Ford F-250 Super Duty, and 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

The PCM limits the engine RPM by cutting off fuel whenever the engine RPM limit is detected. The purpose of the engine RPM limiter is to prevent damage to the powertrain. The RPM limit for the F-150 is 4, 600 RPM. The RPM limit for the F-650/F-750 and F-Series Super Duty is 3, 800 RPM. The RPM limit for the Transit is 4, 500 RPM.

The vehicle speed limit for the:

  • F-150 pickup is 169 km/h (106 mph).
  • F-250 and F-350 pickup is 153 km/h (95 mph).
  • F-450 pickup is 140 km/h (87 mph).
  • F-350, F-450 and F-550 narrow frame vehicle is 130 km/h (81 mph).
  • F-650/F-750 is 120 km/h (75 mph).
  • Transit is 156 km/h (97 mph).
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.