12 valve misses under load
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Diesel Fan
Joined: Oct 2010
Posts: 36
Likes: 0
From: newcastle, WY
12 valve misses under load
today my truck started missing once it got any load on it. it stoped doing it for awhile then started up hte next day its intermitent when it does it. im pushing 40 psi of fuel presure but it drops to like 5 when i get on it. any help would be great. thanks you. O and the tranny is going out bad if that helps any.
Diesel Enthusiast
Joined: Oct 2008
Posts: 149
Likes: 3
From: TN
could be air getting in some where, could be lift pump getting weak had the same problem, but mine didnt drop to 5. It drop down to 15. The tranny want have anything to do with the fuel presure dropping. whens the last time you changed the fuel filter. hope this helps
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Diesel Fan
Joined: Oct 2010
Posts: 36
Likes: 0
From: newcastle, WY
not to long ago. i just pulled the ofv and un modified it and it still cuts out. it only does it around 1500 rpm and it will do it in idle by just reving it up. thanks for the pointers
---AutoMerged DoublePost---
found it. slipped a jam nut on the 5 cylinder
---AutoMerged DoublePost---
found it. slipped a jam nut on the 5 cylinder
Last edited by 97cumminskid; Jul 10, 2011 at 02:23 PM. Reason: Automerged Doublepost
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