Mondeo 2.5V6 Idle
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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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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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