'00 cranks but no start - Ford Powerstroke Diesel Forum
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Old 05-30-2014, 07:57 PM
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'00 cranks but no start

First post, been reading and searching forum for years now but first time to post a question. Truck cranks but doesn't start. Tach reads about 120 to 150 rpms while cranking. Changed the cps to a new one from international I carry in the truck with me. Still no start and same rpms while cranking. All fused checked out fine, nothing blown. While cranking and watching my edge cts the ipr duty cycle 14% and icp pressure is only 250 psi. Seemed low to me. Checked hpop oil level seems good when looking thru the Allen head bolt. Unplugged icp and tried cranking. Reads over 2000 psi but no start. Went down and bought a new ipr and installed. Still cranks but no start. I have checked for fuel problems. Drained the fuel bowl, can hear and feel fuel pump working and it refills the bowl quickly. However there is no smoke when cranking. I'm running out of ideas and things to check, looking for some help please.


Truck mods/details
2000 f250 234k miles
Ww2, afe intake, edge cts monitor
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Old 05-30-2014, 08:02 PM
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Hook up a good set of jumper cables to the truck when you try and start it.
What's your fuel pressure read?
How much fuel is in the tank?
I'm assuming it's the truck in your sig?
Have you ever replaced the injectors?
I would also buzz test it.
Will it start if you plug the truck in for a few hours?

Last edited by heykw; 05-30-2014 at 08:06 PM.
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Old 05-31-2014, 09:26 AM
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The engine will not run with only 250 psi from the HPOP (unplugging the ICP doesn't really make the pressure go to 2K, it's just what the PCM uses when it sees nothing from it).

You need to find out why that pressure's so low. If the reservoir is full and it happened all at once, I would think it's less likely it's the HPOP that's failed. More likely is that the pressure the HPOP is capable of producing is bleeding out, internally, somewhere. To find which side (head) might have the problem you need to block-off one side at a time and see if pressure returns to normal level.
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Old 05-31-2014, 09:40 AM
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Do you have a diagnostic scanner to see if it has any trouble codes?
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Old 05-31-2014, 09:36 PM
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Heykw: I don't have a fuel pressure gauge, so don't know my pressure. Also the tank is full, injectors are original as far as I know. Will not start if the truck is plugged in for a few hours.

NoRalph: how do I block off one side of the heads to test which side might be losing the oil pressure?

E99f350stroker: checked codes with the cts, one code was icp unplugged. Makes sense I unplugged it to see if it would start without it. Other was aih unplugged. I in hooked that the other month when putting the ww2 in and planning on deleting aih element later. I have to wait till monday to borrow my works snap on scanner to do a buzz test (as suggested) and I'll look for any other codes.
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Old 05-31-2014, 11:13 PM
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if it was an injector problem, your CTS would be telling you that there are IDM codes

you have an oil pressure issue like NoRalPh says.

could it be a problem with the IPR? you engine oil level is good right?
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Old 06-01-2014, 06:10 AM
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Here's a good overview, there's part #'s for the line plugs (not sure if you can "create" something similar yourself or not...)

http://www.fordtechservice.dealercon...iagnostics.pdf
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Old 06-01-2014, 11:35 AM
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Quote:
Originally Posted by steve604 View Post
if it was an injector problem, your CTS would be telling you that there are IDM codes

you have an oil pressure issue like NoRalPh says.

could it be a problem with the IPR? you engine oil level is good right?
I think that he already put a new IPR on it. I agree with NoRalPh and your probably losing pressure internally.
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Old 06-01-2014, 07:40 PM
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Thanks for all the suggestions guys. Haven't had much time to work on the truck past few days. Going to have it towed to my house tomorrow or the next day so I can have more time to work on it.(its parked at my work, 30 mins away) Few things I forgot to mention in original post: oil pressure gauge in the dash does come up to almost normal range after cranking for a few seconds. I assume that means my lpop is good with out putting a gauge on it? Assuming the lpop is good I will test to see if im leaking oil internally as suggested by NoralPh. Thanks for the link, I will ask around if I can get a hold of those test plugs for the oil lines. If not will probably just pull the valve covers and check for leaks around the injectors as mentioned in the link.


Another question quick question. Could this be a faulty IDM? If I buzz test the injectors and everything is good would that eliminate the IDM?

Again, thanks all for the help.
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Old 06-01-2014, 08:23 PM
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if batteries are low the idm will shut itself off. should have a idm code though...
my truck did this once.
went out to fire it and it turned over fine for a few minutes but didnt even try to start.
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