Thread: Suction at tail pipe
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  #16  
Old 04-29-2009, 12:45 PM
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blackestate blackestate is offline
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Join Date: Aug 2005
Location: Washington State
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Had this happen on a 7.3 and it was a dropped valve.
I would pull the valve cover and take a look see if you have a broken pring soe something causing the valve to not seat.
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