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Throttle body / Large Evap leak / Vacuum Leak / Rough run


 
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BULL12
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Joined: 02 Dec 2007

PostPosted: Tue Sep 18, 2012 6:12 pm    Post subject: Throttle body / Large Evap leak / Vacuum Leak / Rough run Reply with quote

Ok I have been dealing with a large evap leak for a long time on an 01 Cherokee. Think I found it tonight with a cig. Lit the cig and blew into the vacuum line going from the brake booster to the intake manifold and found smoke coming out the throttle body at the butterfly valve shaft on the front side of the engine. Is there a seal kit available or do I have to replace the throttle body? As far as I understand there should not be any air sucked in through the shaft area. Has anyone had this problem and what did you do to fix it? Thank you in advance for any ones help. If you have a suggestion please post.
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Orangeamc13
Got Rev Limiter?
Got Rev Limiter?


Joined: 20 Feb 2006
Location: East Springfield, Massachusetts - U.S.A.

PostPosted: Thu Sep 27, 2012 5:32 pm    Post subject: Reply with quote

With the engine running and air intake hose on and tightened spray some carb cleaner at the spot in question. If the idle changes, you've found the problem.
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