'04 Excursion No power, won't shift into high gear - Ford Powerstroke Diesel Forum
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  #1  
Old 12-19-2012, 07:21 AM
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'04 Excursion No power, won't shift into high gear

Hello,
We just purchased a 2004 6.o diesel excursion with 115,000 miles on it. For the last 2 weeks, it has ran great. This morning while driving to work, I heard a '"pop" and the the truck lost power. It will not go faster than 45 mph and it doesn't seem like it will shift out of 3rd gear...won't go past 2600rpm. It still runs smooth and sounds normal. It just doesn't have any power and will not shift into high gear...... any thoughts? I don't think turbo is boosting. Help!

Thanks
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Old 12-19-2012, 08:13 AM
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Did it sound like a gun shot going off? If so, check all of your intercooler boot connections. I'd look at the one coming off the turbo first.
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Old 12-19-2012, 08:42 AM
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no, it was more like a balloon popping. I checked the 2 boots and they are still connected.
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Old 12-19-2012, 08:46 AM
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Pull them off and check for splits or holes. Could also be the cold side tube which is the one that connects to the intake elbow.
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Old 12-19-2012, 08:51 AM
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ok, I will check that. Wouldn't that still make a louder "wind noise"? and trigger the check engine light?
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Old 12-19-2012, 09:01 AM
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I've had them come off on my truck and never had a check engine light. You would think the noise would be there but you never know. At least it's something easy to check. Also, check the rubber hose that goes from the MAP sensor to the nipple on top of the intake manifold.
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Old 12-19-2012, 09:14 AM
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Will do, thanks for the ideas.
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Old 12-20-2012, 11:24 AM
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Thanks for all the help. It was the boot below the air filter (I didn't see that one) It runs like a champ again!

Thanks!
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Old 12-20-2012, 11:38 AM
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Good deal
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  #10  
Old 12-20-2012, 11:52 AM
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Doug saves the day
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