2017-2021 Ford Super Duty High Idle Kit - Selectable 1200 or 1400 RPM


SKU: FRD-High Idle
Available for pre-order


Our new updated design will now have a user selectable option of 1200 or 1400 RPM. We are allowing pre-orders for this item and our Ver 2.0 will start shipping sometime mid-to late December.  We will be fulfilling orders as we receive the parts to build them.   



The ONLY Ford Super Duty Plug & Play High Idle kit in the WORLD!



    • Printed instructions included
    • Complete Kit - nothing else needed
    • User Selectable 1200 or 1400 RPM
    • New design to allow the use of the OEM accessory wiring pigtail



    • 2017 2018 2019 2020 2021 Ford Super Duty Trucks (F-250 F-350 F-450 F-550)
    • Diesel engine ONLY


    Special Notes

    • If High Idle is canceled for any reason, the ignition will need to be cycled before it can be engaged again
    • * * * TIP - Apply parking brake before exiting the truck and High Idle mode will engage when you use remote start * * *


    All of the following conditions must be met for the High Idle Kit to operate properly

        • Engine coolant temp must be above 20 degrees F
        • Transmission temp must be above 20 degrees F
        • Engine must be at stable RPM speed
        • Vehicle speed is zero
        • Vehicle must be in park or neutral
        • Foot off gas pedal
        • Foot off brake pedal
        • Parking brake must be engaged


        Any of the following will disable/cancel the High Idle operation

        • Engine temp exceeds 234 degrees F
        • Transmission temp exceeds 240 degrees F
        • Gas pedal is pressed
        • Brake pedal is pressed
        • Parking brake is disengaged
        • Vehicle is taken out of park or neutral
        • Certain engine trouble codes are present



          Watch it in action HERE

          Installation Video

          Customer Reviews

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