1994.5 - 1997 7.3L Power Stroke Diesel  

96 f350 psd cranks no start

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Old 12-23-2012, 05:32 PM
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96 f350 psd cranks no start

howdy all;

first i hate computers and dont type well.

So ,am i in the correct place to ask questions?

regards

gbsnp
 
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Old 12-23-2012, 05:35 PM
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Yep, welcome to FTE ... ask away.
 
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Old 12-23-2012, 06:08 PM
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ok here goes;

96 f350 w/7.3 psd was driving home truck just quit. check engine lite came on. coasted to a stop and tried to restart.
cel stays on
tac shows~200 rpm when cranking
no wts lite
h pop full was.75 qt low
all fuses are good ,cab and under hood
swiched all 4 relays in fuse box around
disconnected the icp and tried to start no go
gpr 1 big post has power; key on 2 small posts also have power ; other large post no power
thats all i can think of

any thoughts ?

regards
gbsnp
 
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Old 12-23-2012, 06:25 PM
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What's the oil level on the dip stick show?
 
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Old 12-23-2012, 06:35 PM
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Jim;

i'ts at the full line also no smoke at all while cranking

gbsnp
 
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Old 12-23-2012, 06:49 PM
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NO WTS is usually the fuel heater .. Is fuse 22 under the hood blown ?...
 
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Old 12-23-2012, 06:51 PM
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check the idm if there is water in it
 
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Old 12-23-2012, 06:51 PM
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Originally Posted by Action4478
NO WTS is usually the fuel heater .. Is fuse 22 under the hood blown ?...
he said all fuses are good
 
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Old 12-23-2012, 06:57 PM
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Originally Posted by rodneywar
he said all fuses are good
He said
no wts lite
Thanks for correcting me on that ....
Posters have been wrong about fuses before
Water in the IDM won't set a CEL ....If all fuses are good .no WTS ," CEL stays on " he needs a PCM most likely ...OP , if you are running a chip it may have come loose ...

take it from here Rodney
 
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Old 12-23-2012, 07:05 PM
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Originally Posted by Action4478
He said

Posters have been wrong about fuses before
Water in the IDM won't set a CEL ....If all fuses are good .no WTS , he needs a PCM most likely ...
true gotdang 10 char
 
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Old 12-23-2012, 07:15 PM
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action 4478

#22 1s good swapped it w/ another 30 amp fuse disconnected fuel heater
no start no smoke no wts check engine lite stays on

rodeywar will check tomorrow dark now. replaced idm 18 or 20 months ago
it was full of h2o (how does that happen?)

pcm question, location,cost and do they go out just like
that?

thanks for the reply's

gbsnp
 
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Old 12-23-2012, 07:20 PM
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Do you have a chip or not
?
 
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Old 12-23-2012, 07:26 PM
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rick
don't know . i have not chipped it. bought it used in 05 i think. where would a chip be, and how do i check it?

gbsnp
 
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Old 12-23-2012, 07:28 PM
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ok to answer your question about the idm filling with water the idm has a vent on the backside of the idm which allows water in it is a messed up design
 
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Old 12-24-2012, 03:31 PM
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pulled idm doesnt sound like it has h2o in it visually looks to be in good shape.

pulled pcm has a "chip" called diablo . looked like it was installed properly.
pulled it loose and re installed. visually pcm looked good no appearent burns or anything. clean and moisture and dust free on the inside.

found an extra cps inglove box will swap .
any other suggestions and opinions welcomed.

thanks
gbsnp
 


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