you can source oem quality parts on the internet if you know what to look for. A dealership probably doesn't even stock parts anymore for trucks that are at least 21 years or older now.
throttle lag? nope
precise fueling, timing, etc to get maximum power and economy? yup
I've got over 500k...
piece of cake
https://www.enginebuildermag.com/2021/03/dotw-mechanical-p-pump-7-3l-powerstroke-engine/
Don't understand the fear of drive-by-wire or the sensors on a 7.3 PSD
Its really basic compared to the stuff on vehicles today.
Buy OEM or equivalent and not Amazon Chinese junk and...
upload to youtube and link the videos in a post
The TC is locked by the PCM grounding the signal wire from the transmission. If that wire or signal isn't constant, it wouldn't stay locked at higher speeds.
Did you try manually shifting through the gears?
Sounds like something is wrong with...
post a video of the problem
LPOP feeds the HPOP which supplies the injectors, I doubt it's that.
is the truck an automatic?
What happens when you manually shift gears as you accelerate? Will it hold each gear?
Did you clear the codes after installing the new parts? The IDM code is probably from the burnt harness and ROM error is common and means nothing.
Best mod I did for both my trucks was to put the GPR ground from the PCM on a switch with an LED light, that way I can see when the PCM is...
A faulty regulator won't build the proper psi as it would just dump fuel back to the tank, and a clogged screen will restrict flow. Both are located on the side of the fuel bowl.
schrader valve is easily accessible, idle fuel pressure should be around 65psi. Has the regulator ever been rebuilt? What about the screen.. has it been cleaned?
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