95 t100 dieing

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Joined
Jun 14, 2026
Threads
2
Messages
6
Location
Wyoming
Hello I was driving my 95 t100 the other day and when I was going up a steeper hill that was rough it completely died. It had battery power and 11 gallons of gas still. Luckily I was able to be towed to a friends house and then the truck wouldn’t restart till I putt another 5 gallons of gas in it. Any ideas of what might have caused this.
 
Hello I was driving my 95 t100 the other day and when I was going up a steeper hill that was rough it completely died. It had battery power and 11 gallons of gas still. Luckily I was able to be towed to a friends house and then the truck wouldn’t restart till I putt another 5 gallons of gas in it. Any ideas of what might have caused this.
need to start with testing. OBD2 so thats a plus, when it wasn't running what was the fuel pressure? did it have spark? codes? is your air intake boot ripped?
 
need to start with testing. OBD2 so thats a plus, when it wasn't running what was the fuel pressure? did it have spark? codes? is your air intake boot ripped?
Okay I’ll do that a couple days prior it did throw a
need to start with testing. OBD2 so thats a plus, when it wasn't running what was the fuel pressure? did it have spark? codes? is your air intake boot ripped?
my air intake boot isn’t ripped it has spark it threw a code two days prior it was a
Catalyst Susten EfficiencyBelowThreshold Bank 1 code I was going up a pretty washboarded road. On a pretty hot day probably around 105 so that might of affected it.
 
Update it did it again seems like when my tank is around half and I hit a coragated dirt road it does it. Propaly fuel as it will turn over.
 
Does it only happen on washboard roads? Id be checking wiring connections to make sure they’re all seated properly. You may have to rig up a fuel pressure gauge and go down the roads too and see if the psi drops off once you start going over them
 
Update got it running on of my grounds was loose. Thanks for everyone’s help and input i really appreciate it.
 
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