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Top 2GNT Technical Performance/Engine Engine Management Systems & Controllers topic #5567
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Subject: "RE: 420a Idle is at 4000 RPM need help!" Previous topic | Next topic
AdministratorCODE4Sep-04-12 03:11 PM
Member since Nov 23rd 2003
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#5568, "RE: 420a Idle is at 4000 RPM need help!"
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Perform a boost leak test (yes, I know you are not boosted). Pressurize the throttle body from an air compressor to be 100% sure you have no leaks. That is really the only reason I can see why you have such a high idle, especially since you mentioned you verified slack in the throttle cable.

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2012 2500HD LML


  

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420a Idle is at 4000 RPM need help! [View all] , DJ-UniK, Sep-04-12 03:01 PM
  RE: 420a Idle is at 4000 RPM need help!, AdministratorCODE4, Sep-04-12 03:11 PM #1
RE: 420a Idle is at 4000 RPM need help!, DJ-UniK, Sep-04-12 04:23 PM, #2
      RE: 420a Idle is at 4000 RPM need help!, SilvrEclips, Sep-04-12 08:35 PM, #3
           RE: 420a Idle is at 4000 RPM need help!, DJ-UniK, Apr-01-13 08:26 PM, #4
                RE: 420a Idle is at 4000 RPM need help!, Roboron13, Sep-29-13 04:28 PM, #5

Top 2GNT Technical Performance/Engine Engine Management Systems & Controllers topic #5567 Previous topic | Next topic
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