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Why does Ford Focus have a rough idle?

Anonymous

∙ 11y ago

Updated: 10/23/2022

Start car and check the PCV hose that connects to intake manifold to pipe under coil. They will collapse and leak causing a rough idle. Also the passenger side motor mount is a fluid filled mount and after time it will transfer engine viberation to the body.

Wiki User

∙ 11y ago

What else can I help you with?

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