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SMARTflash - Cylinder Deactivation Calibration [Mk8 Fiesta ST]

The 1.5-litre Dragon engine fitted to the Mk8 Fiesta ST utilises a VDE (Variable Displacement Engine) setup which seamlessly deactivates one cylinder when cruising, or on coast-down to help with increasing fuel-efficiency and reducing Co2 output.

However, eagle-eared owners can pick up the somewhat strange noise this activation causes and in particular, when replacing or upgrading the exhaust system, this audible change becomes very apparent (and not in a good way)!

To support our exhaust and for m235 / m260 owners that have already fitted aftermarket exhaust products, our revised calibration option allows existing customers with modified exhaust systems to de-activate the VDE and prevent this noise from occurring.

Please specify your vehicle VIN in the notes section when checking out. and if the email used to make this purchase is different to the one used for your original SMARTflash purchase. Please also supply that to ensure the industrialised calibration to support your vehicle is created and sent to you correctly.

The file emailed to you can then be opened via the SMARTflash app and installed to your ecu, as is the case with all previous calibration updates.

Please note: you will require an m235 / m260 SMARTflash upgrade / app to be able to install this companion calibration.

Customer Reviews
4.8 Based on 12 Reviews
5 ★
83% 
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Filter Reviews:
    A
    29/05/2022
    Anonymous
    United Kingdom United Kingdom

    Cylinder Deactivation

    Less vibration, and an overall smoother drive; no less economical. Not transformative but worth it.

    A
    14/04/2022
    Andrew
    Australia Australia

    Great add on

    Since installing an aftermarket RMM I had been getting a vibration whenever cruising in normal mode on 2 cylinders so had been putting it in sport mode. Added this and now can leave it in normal when I want to cruise quietly along the motorway. Doesn't seem to have any impact on fuel consumption either.

    A
    26/12/2021
    Anonymous
    United Kingdom United Kingdom

    Essential

    I couldn’t believe my luck when I can across this, turned my ST from a lumpy horrible sounding motor when cruising to how you would expect a burbling ST to sound.