Those extra 12 valves could be getting stuck due to contaminated oil, or wrong oil, I think the early owners books stated 10/40 and you should only use 5/40 5/30.
Neil
um I cold be totally wrong, and probably are.
Mondeo (UK Model) GhiaX 2.5 v6
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GhiaX 2000 Spec
Semi Automatic Climate Control
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