12 Valve Engine and Drivetrain Talk about the 12V engine and drivetrain here. This is for 1994-1998.5 engine and drivetrain discussion only.

12 valve stuck rack no start

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Old 07-26-2008 | 05:23 PM
  #1  
camerd18's Avatar
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12 valve stuck rack no start

ive got a 215 pump no fuel to injectors

i removed plate and afc housing now it has fuel runs half wide open and like crap

truck was running fine the just dies out of blue

i was thinking rack is stuck but im not real sure now
Old 07-26-2008 | 09:55 PM
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I ran into a similar problem last week. It was cause by a stuck plunger in the pump. I called a guy that does my injection work and he said to put some additive for pump lubricant. The truck would run then it would get a knocking sound on the pump sounded like a stuck lifter then the throttle would stick where ever it was at I put some lubricant in the tank and ran it next day no more problems
Old 07-29-2008 | 07:20 PM
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Fueling around's Avatar
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camerd18
Check the fuel shut off solenoid first. Then go through and look for an airleak from the pre-filter to the injection pump. Stuck rack is usually a bad plunger and symptoms as boughtadodge describes.
Originally Posted by boughtadodge
I ran into a similar problem last week. It was cause by a stuck plunger in the pump. I called a guy that does my injection work and he said to put some additive for pump lubricant. The truck would run then it would get a knocking sound on the pump sounded like a stuck lifter then the throttle would stick where ever it was at I put some lubricant in the tank and ran it next day no more problems
Probably a temporary measure. It cost me $1,600 for a pump rebuild as the sticking plunger also screwed up the rack. Wife even noticed the truck runs much smoother & quieter after the pump rebuild.
Old 07-29-2008 | 08:25 PM
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camerd18's Avatar
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this engine is in a ford superduty
i have used the powerstroke pump its ab 45 psi all the time
the shut off is off and rod is pushed forward for full fuel
i pulled delv valve off cyl# 4 is stuck closed

now im looking for a good shop in tennessee to send pump to
i bought a used 180 to use till i get this one fixed if it can be fixed
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