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idle speed problem

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Old May 14, 2012 | 01:29 AM
  #1  
Tsula7's Avatar
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Joined: Dec 2011
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From: Tbilisi,Georgia
idle speed problem

hello
i have problem on my evo 4

on idle speed revs are at 1.1
sometimes rev speed is normal as it must be
but it is changing speed from normal to 1.1rpm
revs go up to 1,1 and after few seconds come to normal operating speed




p.s. sorry for my poor English
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Old May 14, 2012 | 03:42 AM
  #2  
MrJuls's Avatar
Evolving Member
 
Joined: Jan 2012
Posts: 444
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From: Centurion,South Africa
Could be your idle air control valve.
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