Jeep CJ Forum The classic short wheel based Jeep - manufactured from the beginning of time till 1986. Includes miltary and postal Jeeps

High Idle_2 barrel carberator

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Old Nov 15, 2010 | 11:09 PM
  #1  
coykiesaol's Avatar
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Joined: Nov 2010
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From: Shaanxi
Default High Idle_2 barrel carberator

I recently replaced the original check valve on my 1985 CJ7 (258 I6 w/ 2 barrel Carter) and the idle is now extremely high and wiill not decrease when it warms up.
Can anybody advise me on how to adjust this issue without creatring poor performance on my car?
Other than this issue, the Jeep runs awesome. Real smooth and strong.
Old Dec 1, 2010 | 09:42 PM
  #2  
bigdan's Avatar
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Joined: Jul 2008
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From: st-jean baptiste ,quebec
Default Re: High Idle_2 barrel carberator

what do you mean by check valve ....
are you meaning PVC valve ?
Old Oct 26, 2011 | 11:30 PM
  #3  
Laredo Code's Avatar
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Joined: Oct 2011
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From: Ontario
Default Re: High Idle_2 barrel carberator

"I recently replaced the original check valve on my 1985 CJ7 (258 I6 w/ 2 barrel Carter) and the idle is now extremely high and wiill not decrease when it warms up."

Check your EGR Valve for movement. If its stuck, your engine will keep running on high idle even after you have warmed up the engine, also check along the vacuum hose that goes to it.

Hope this might help.
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