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Vapor Lock

32648 Views 14 Replies 9 Participants Last post by  stevedunham
I have searched with no luck. Only after towing have I experienced this. After a long tow when coming to a complete stop the engine starts to lose power, as if it was being restricted until it kicks in again. When this happens the familiar cackle of the engine goes away and it feels like it wants to stahl but doesn't /ubbthreads/images/graemlins/shrug.gif. This is on Drive but if I put it on Park everything seems normal. I tow 8K lbs and on this last trip went for 400 miles roundtrip. I had just replaced the air filter thinking it was a breathing problem but it still did it after the long tow. While talking to a friend that distributes diesel engine parts, he told me it was Vapor Lock. Did not even stop to think of an answer. He says it has to do with the heat and how diesel vapors at certain temperatures causing this to happen. I have never heard of this. Can anyone shed some light on this? /ubbthreads/images/graemlins/confused.gif
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Your right, it goes back to normal until after my next tow if I let it sit overnight. There has to be more people going through this. My neighbor just got an 05 6.0 and it is happening to him too. /ubbthreads/images/graemlins/confused.gif
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after towing I have the same problem my truck looses power the turbo wont kick in till 2800 rpm and is just guttless but if it sets over night all returns to normal I want to fix it but im at a loss I cant show the dealer cause irs always better after it sets for a few hours??? /ubbthreads/images/graemlins/shrug.gif

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I allready went to the dealer and they won't work on it unless it is doing it when they check it.
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After reading all of this it sounds more like the ERG could be sticking but can it stick sometimes only? I am taking it in.
One thing you need to remember.... if it don't act like it's broken, what on earth am I going to fix?

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Grampy_Jim, don't be mad at me. I know that the techs won't touch it if it does not happen when they check it. It is frustrating when I know for sure something is wrong and cannot mirror the problem in front of them.
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