Over in the UK we think we have found the answer to the rough running at idle and low speeds of the Mondeo Zetec. Replace the Exhaust gas DPTE Valve (The small silver box with a 3 wire connector and 2 vacuum hoses on teh bulkhead)
Its about £40 ($65) here from Ford
Mad Mole
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Mad Moles Mondeo Madness 2L Zetec, Cams, Stage 2 head, Valve work, Powerflow, Unichip, AEM Ram, K&N, Ecotek, 75mm Lower etc.
192 BHP, Faster than a speeding Duratec!
