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high idle

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    1986 parts list (high idle issue)

    Hi As a newbie, advance apologies for asking question previously discussed. I have a high idle issue with my 1986 420sl. I've changed the OVP made no difference :-( I'm now thinking the ICV is perhaps the wrong part mine is 0001411225 and on searching I've come up with 0001411265 which...
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