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Old 12-15-2006, 03:22 PM
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Question hard start 2001 super duty

need help,
i have extended crank time on this 7.3.
some times the c.e.l comes on with a code po1211/ uncontrolable i.c.p..
while watching pressure and i.p.r. duty cycle i can see the the command for higher pressure, but the pressure does not exceed about 2000 p.s.i..with a 30% or more duty cycle.
the truck runs and starts ok warm. the glow system checks out.there is oil in the resivoir.
cuold this be a bad high pressure pump?
it has good pressure at hyway speeds.
any ideas? thanks for the help.
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Old 12-15-2006, 04:20 PM
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hmmm......could be the pump....could be a restriction somewhere else in the system. injectors maybe.....altough you would be getting a code for that.
Beats me

wes
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Old 12-15-2006, 08:08 PM
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How many miles on the truck ?

How did you check the glowplug system ?

Is the truck stock ? If not what is on it ?
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