Rough Idle
Thread Starter
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Freshman User
Joined: Jul 2011
Posts: 33
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Rough Idle
My truck has developed a rough idle, seems to jump rpm from around 750 to 650 but seems like it may be the lift pump but i have no experience. 
And before you says its the programmer it happened before i even installed it.
here is a lil video.
And before you says its the programmer it happened before i even installed it.here is a lil video.
Thread Starter
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Freshman User
Joined: Jul 2011
Posts: 33
Likes: 0
fixed* i used the search button 
so do i just unplug it and start it? if it runs right its plugged up?
so do i just unplug it and start it? if it runs right its plugged up?
Last edited by colbster; Aug 18, 2011 at 08:27 PM. Reason: idiot
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Post Fiend
Joined: Oct 2009
Posts: 12,123
Likes: 35
From: N. Fort Worth, tx
unplug it and see if it goes away. if it does then more then likly a vgt issue not an ebp issue.
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Post Fiend
Joined: Oct 2009
Posts: 12,123
Likes: 35
From: N. Fort Worth, tx
ok what is ipr% and icp at 185* and idle. possibly a high pressure oil leak. keep in mind a slight fluctionation in rpm is normal however yours does seem a little higher then that.
also what is icpv koeo?
also what is icpv koeo?