![SMARTflash - Cylinder Deactivation Calibration [Mk8 Fiesta ST] HQ Installation which allows more crankcase vent](https://cdn.shopify.com/s/files/1/0367/2621/files/m235_vde_2048x_af2f7d06-0d3a-4f9f-aa49-be98d570502f.webp?v=1748718987)
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which allows more crankcase vent vapour to be trapped and remain in the crankcase where it belongs
Skoda Octavia VRS Mk3 2
Front ride height reduction 28mm (Fiesta ST)
5 mg KOH/g DIN ISO 3771Sulfate ash: 1
SMARTflash - Cylinder Deactivation Calibration [Mk8 Fiesta ST] HQ Installation which allows more crankcase ventThe 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
