2022 6.7 second engine not running properly
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6th Gear
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2022 6.7 second engine not running properly
As title suggests work truck is an 2022 with the 6.7, though this is its second engine now. At roughly 170,000KM the CP4 fuel pump crapped out and took the original engine with it, of course out of warranty.
Now with this second engine the truck does not run the same. Engine coolant doesn’t get up to normal operating temperatures, gauge is 30-40% at most on a nice summer day with a trailer.
The truck at times also burns anywhere from 70-100% more fuel then the original engine. Not long after I got the truck back with the second engine the battery smoked and boiled itself, needing a replacement. A few days ago I’ve had “Battery charging services system now” come up on dash.
As of now this is being brushed off as “the truck is going to burn fuel anyways”
I do have pictures of the horrible fuel economy, which is 30l/100km empty trailer mainly flat grounds..
To further add to the post, apologies about being all over the place with my post here, when the engine got put back together it needed further diagnosis which lead to leaking fuel injectors
Now with this second engine the truck does not run the same. Engine coolant doesn’t get up to normal operating temperatures, gauge is 30-40% at most on a nice summer day with a trailer.
The truck at times also burns anywhere from 70-100% more fuel then the original engine. Not long after I got the truck back with the second engine the battery smoked and boiled itself, needing a replacement. A few days ago I’ve had “Battery charging services system now” come up on dash.
As of now this is being brushed off as “the truck is going to burn fuel anyways”
I do have pictures of the horrible fuel economy, which is 30l/100km empty trailer mainly flat grounds..
To further add to the post, apologies about being all over the place with my post here, when the engine got put back together it needed further diagnosis which lead to leaking fuel injectors
Last edited by nelias09; May 29, 2024 at 11:28 PM.
Hotshot
Joined: Jul 2013
Posts: 14,266
Likes: 2,188
I had this on my 2019
and there are a few YouTube videos on the subject
in my case, a wire had to be by passed with a new wire. The original wire ether melts or gets eaten by corrosion.
the wire is inside a harness and rather than ripping the harness apart, ford solution is to by pass it.
as far as your replacement engine not performing to expectations…was it a rebuild, junk yard pull, does not sound like it was a new ford long block.
and there are a few YouTube videos on the subject
in my case, a wire had to be by passed with a new wire. The original wire ether melts or gets eaten by corrosion.
the wire is inside a harness and rather than ripping the harness apart, ford solution is to by pass it.
as far as your replacement engine not performing to expectations…was it a rebuild, junk yard pull, does not sound like it was a new ford long block.
Thread Starter
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6th Gear
Joined: May 2024
Posts: 6
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I had this on my 2019
and there are a few YouTube videos on the subject
in my case, a wire had to be by passed with a new wire. The original wire ether melts or gets eaten by corrosion.
the wire is inside a harness and rather than ripping the harness apart, ford solution is to by pass it.
as far as your replacement engine not performing to expectations…was it a rebuild, junk yard pull, does not sound like it was a new ford long block.
and there are a few YouTube videos on the subject
in my case, a wire had to be by passed with a new wire. The original wire ether melts or gets eaten by corrosion.
the wire is inside a harness and rather than ripping the harness apart, ford solution is to by pass it.
as far as your replacement engine not performing to expectations…was it a rebuild, junk yard pull, does not sound like it was a new ford long block.
Main reason I bring this up is from another thread a technician was asking about charging/battery system due to injectors failing. Wasn’t much more on that.
Was a complete new long block from ford with new injectors. Appreciate the feed back
Super Moderator
Joined: Aug 2008
Posts: 37,379
Likes: 1,863
From: Frederick, MD
long block with bad injectors and now new injectors.
when was the last time fuel filters were changed with OEM filters.
How long ago and is the work under warranty?
How far apart are the regen cycles? Pipes black or grayish? how much def do you use?
when was the last time fuel filters were changed with OEM filters.
How long ago and is the work under warranty?
How far apart are the regen cycles? Pipes black or grayish? how much def do you use?
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6th Gear
Joined: May 2024
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Mechanic says all new fuel filters, at times the def can burn I did have def fill light come on thinking I had plenty of range.
It was a gong show to say the least took roughly 6 months to get the truck back on the road with new engin, mainly to mechanic not being available.
As far as I know new engine is covered with warranty to 150,000KM..
cheers!
Last edited by nelias09; May 31, 2024 at 01:00 AM.
Thread Starter
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6th Gear
Joined: May 2024
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It burning twice the fuel cringes me as I do hotshotting and fuel is the biggest expense.
No check engine lights nothing
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Senior User
Joined: Nov 2014
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From: France
I’ve had a few thermostats go bad on me and that’s exactly what happens - slow to warm up, constantly running too cool.
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6th Gear
Joined: May 2024
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copy that, for now I’ll rule out the engine coolant as a non problem
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