6.0 loosing power
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Trailering
Joined: Jun 2016
Posts: 22
Likes: 0
6.0 loosing power
Hey all,
did a search but have not seen a related thread. Having an issue with my Ex 6.0 where it is loosing power on long runs or high speed. Actually started only when I would be on the highway running 70mph or more. truck would start to stall out and loose all power. still running. but no power to even maintain speed. pull over and sit in park for a few minutes, then the truck would pull away and drive normal again. It was doing this for several weeks.
Now yesterday, the truck was running for a long time as I had the kids in the truck while we waited for another one. So the truck was running for a good 30 minutes or so. then when I went to drive the same thing happened but this time it was at 45 mph. again, stop and shut the truck off this time for 3-5 minutes, then restart and truck drives fine. Had a heck of a time getting home yesterday as i was about 20 minutes from home and needed to pull over and shut off the truck at least 8 times on the way.
it now seems like it might be something related to the truck being warmed up as it did idle for a long time yesterday before this started. crazy and puzzling.
any hunches at all?
did a search but have not seen a related thread. Having an issue with my Ex 6.0 where it is loosing power on long runs or high speed. Actually started only when I would be on the highway running 70mph or more. truck would start to stall out and loose all power. still running. but no power to even maintain speed. pull over and sit in park for a few minutes, then the truck would pull away and drive normal again. It was doing this for several weeks.
Now yesterday, the truck was running for a long time as I had the kids in the truck while we waited for another one. So the truck was running for a good 30 minutes or so. then when I went to drive the same thing happened but this time it was at 45 mph. again, stop and shut the truck off this time for 3-5 minutes, then restart and truck drives fine. Had a heck of a time getting home yesterday as i was about 20 minutes from home and needed to pull over and shut off the truck at least 8 times on the way.
it now seems like it might be something related to the truck being warmed up as it did idle for a long time yesterday before this started. crazy and puzzling.
any hunches at all?
Fleet Mechanic
Joined: Jan 2017
Posts: 1,666
Likes: 182
Seems pretty odd, and unfortunately I don't have the answer for you. Do you have a way to monitor? I'd suggest checking all the engine parameters and pulling any codes and the heading over to the 6.0 forum, post the question and make sure to tell them what your parameters are doing and whether you have codes and what they are. The 6.0 guys over there are super knowledgeable and more than willing to help. Also check out the 6.0 tech folder..lots of good stuff in there too!
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Trailering
Joined: Jun 2016
Posts: 22
Likes: 0
ya it is odd and puzzling. no codes...but then again I do have a program due to EGR delete. but no smoke. no indicators really.
I didn't realize that there was a 6.0 forum. I will definitely post it over there. thanks for the heads up
I didn't realize that there was a 6.0 forum. I will definitely post it over there. thanks for the heads up
Cross-Country
Joined: Mar 2020
Posts: 97
Likes: 24
From: West Skamania County, WA
Check your fuel pressure
May be an idea, I just posted a low fuel pressure video that may be what you are seeing...
My 2005 Excursion drove ok even with really low pressure until I had a 12k trailer attached up a hill. Missed badly, stalled but came back later and seems to run fine.
Good luclk!
My 2005 Excursion drove ok even with really low pressure until I had a 12k trailer attached up a hill. Missed badly, stalled but came back later and seems to run fine.
Good luclk!
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Crunkmaro
6.0L Power Stroke Diesel
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