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Mondeo 2.5V6 Idle

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#1 Kevinlfc17



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  • Ford Model: Zetec s 2.5 v6
  • Location: Lancashire

Posted 02 November 2012 - 05:08 PM

Hi I have a 2003 mondeo 2.5v6 now and again the revs go up and down on idle there is no misfire or lack of power what could that be

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#2 mintalkin


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  • Name: mintalkin
  • Ford Model: mondeo tdci 130
  • Year: 2006
  • Location: Staffordshire

Posted 02 November 2012 - 10:03 PM

it could be a blocked PCV valve or an air leak on any of the pcv plastic lines.

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