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swirl flap manifold intake
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  1. 1.8L / 2.0L Duratec Petrol Engines (Mondeo Mk3)
    Hi, (Mondeo 1.8 Duratec '02) Do I have to take the swirl flaps out? Symptoms are the engine sounds very tappety. If I unplug the vacuum hose from the manifold all is whisper quiet (almost) and as far as I have researched on this site that's the sure fire way of testing if the flaps are on...
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