94 powerstroke no start no smoke help! - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 18 (permalink) Old 05-17-2017, 02:21 AM Thread Starter
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94 powerstroke no start no smoke help!

ello everyone! After a long time of looking I finally bought a 94 f350 dually powerstroke and I couldn't be more excited. The big catch is that it has been sitting for 2.5 years and is not running. I've taken on quote a few projects before but this is my first diesel. So far ive:
-Changed batteries
-Replaced fuel pump along with all the hoses
-Changed fuel filter
-Drained the tanks and refilled with some seafoam added
-Checked hpop reservoir
-Changed oil of course
-Replaced starter
-Replaced CPS

So the tach bounces around 100 when trying to start but doesn't move past that(is that too low for this?) It looks to have blow by when trying to start
The fuel bowl is getting filling/refilling
I tried unplugging the ICP sensor and that's where I'm at now, running out of ideas. Oh and the number 22 fuse is not blown even replaced it to be safe. The wait to start light comes on and goes off, I'm not sure if this matters but it doesn't have a clutch slave cylinder or master cylinder installed at the moment so I've been jumping it from the starter relay to attempt to start. It can crank all day but doesn't turn over at all.

Any help would be greatly appreciated!!

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post #2 of 18 (permalink) Old 05-17-2017, 07:36 PM
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Re: 94 powerstroke no start no smoke help!

You can jumper the clutch switch - two terminals on the connector that are (or would be...) closer to the firewall, both blue/red wires IIRC.

100 RPM is too slow. Is it really going that slow? If so, I'd test batteries and starter. And main battery/ground connections. What CCA are the batteries?
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post #3 of 18 (permalink) Old 05-17-2017, 09:13 PM Thread Starter
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Re: 94 powerstroke no start no smoke help!

Yeah I just jumped it with another truck and it's showing even less than 100rpm when cranking. The previous owner had replaced the cps days before I bought it. Maybe he got a bad part?

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post #4 of 18 (permalink) Old 05-17-2017, 09:13 PM Thread Starter
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Re: 94 powerstroke no start no smoke help!

And thank you for the clutch switch info! I thought mine didn't have one cause I couldn't find it. It's all the way by the gas pedal! So odd

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post #5 of 18 (permalink) Old 05-17-2017, 09:21 PM
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Re: 94 powerstroke no start no smoke help!

There's no gas pedal.....

The clutch switch goes on the pushrod for the master cylinder. Not sure what's so odd about that.

Re the RPMs, it depends on whether it's _really_ going that slow or not. You should kinda be able to tell that by ear. IOW, if by ear it seems to be cranking "normal" cranking speed, but the RPMs are showing low, then yes, the CPS is suspect (is it Ford/Motorcraft or IH, BTW?). If it's actually sounding like it's only going 100 RPM, then it's starter, battery, main starter wiring, etc.
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post #6 of 18 (permalink) Old 05-17-2017, 09:28 PM Thread Starter
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Re: 94 powerstroke no start no smoke help!

Yes it's going well over 100 rpm and showing less than that. And the clutch master is above and behind the accelerator pedal. Just seemed odd to me that's all. But thank you for all the info sir

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post #7 of 18 (permalink) Old 05-17-2017, 09:32 PM
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Re: 94 powerstroke no start no smoke help!

See if you can find out what brand of CPS the OP installed. Or just assume it's some junk aftermarket and get one from Ford or IH.
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post #8 of 18 (permalink) Old 05-17-2017, 09:33 PM Thread Starter
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Re: 94 powerstroke no start no smoke help!

Will do! What is IH?

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post #9 of 18 (permalink) Old 05-17-2017, 11:05 PM
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Re: 94 powerstroke no start no smoke help!

International Harvester - the folks who built our engines.
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post #10 of 18 (permalink) Old 05-17-2017, 11:08 PM Thread Starter
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Re: 94 powerstroke no start no smoke help!

Ahhh. I knew it was international but I never knew the second part. Thank you

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