95 cranks, no start.. - Ford Powerstroke Diesel Forum
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  #1  
Old 09-17-2013, 05:55 PM
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95 cranks, no start..

My 95 f250 will crank but not fire...
I just got back from a vacation and went to start my truck.. It had been sitting for 5 days un-touched.. I turned the key waited for the glowplug light to shut off and it just cranked... I figured it had got kind of chilly out while I was gone so maybe from sitting it just needed a few more glow plug cycles... So I cycled the key on and off a few times before trying to start it again and that worked for me..
That was last Friday night. No problems since.

Fast forward to yesterday, i went out to start it in the morning and it cranked for awhile then fired, ran rough for a few seconds, smoothed out and it was good for the rest of the day.

Now this morning I go out to start it.. It got down in the 40s last night, but that shouldn't be too cold for the truck to not start after not being plugged in.
I get in the truck and turn the key, wait to start light comes on, goes off, try to start it and it just cranks. Doesn't even try to fire. Cycle the glowplugs a few times and try again... Just cranks and puffs blue smoke...

So now I'm thinking glow plug relay.. I go pick one up after work tonight... Go out to the truck and try to start it, cycle the key and it fires right up, I put it in first and it shuts off.
Try to start it again and it cranks, tried to start but wouldn't... Tried again and it just cranks..

This leads me to believe its not the relay... But maybe the cam sensor? Not sure but I would like to get this fixed asap... Currently my only means of transportation
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Old 09-18-2013, 12:34 PM
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Bump... Need to fix this tonight
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Old 09-18-2013, 12:57 PM
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First off make sure your batteries are fully charged but since your getting blue smoke you might have enough juice that the PCM is letting your injectors fire but not enough to actually fire.

Then after that try the cps next. Its a cheap fix that causes tons of troubles.

If its not that test the GPR you just bought you heres a write up how to test it Troubleshooting GPR & GP's it may just be a bum one.

If its not the relay go on to testing your glow plugs they may just be on their way out.
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Old 09-18-2013, 01:16 PM
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Thanks for the input, after it started then died out on me last night I figured it wasn't the gpr but probably the CPS...

So I didn't actually replace the relay yet...

Glowplugs were all replaced along with new uvch's in 09 when I owned this truck the first time.
What's the life span on the plugs?
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Old 09-18-2013, 01:28 PM
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Quote:
Originally Posted by southchitownstrokin View Post
Thanks for the input, after it started then died out on me last night I figured it wasn't the gpr but probably the CPS...

So I didn't actually replace the relay yet...

Glowplugs were all replaced along with new uvch's in 09 when I owned this truck the first time.
What's the life span on the plugs?
Oh ok, well the relays on these trucks are not as good as they could be thats why alot of guys replace it with an upgraded GPR known as Stancor(aka white rogers). Alot of guys swear by them and are pretty proven but some guys lately have been using the relays that are used on western plow snow plows and thats what im doing, it will be here friday but thats another tangent.

As for the CPS when it dies does it just shut off like your turned the key off or does it sputter as it dies, the CPS will cause a key-off type of shut down. Either way it doesnt hurt to replace it with a motorcraft blue CPS or an international CPS

As for the GPs you should be fine but crazy things can happen. Im sure the ones in my 95 are still stock so id say as long as you replaced them with motocraft GPs not the autolite knock-offs you should be good with them.
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Old 09-18-2013, 01:35 PM
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Sweet might have to look into that relay.. It was a key type shut down, then wouldn't fire again.

Thanks again for the info
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Old 09-19-2013, 05:50 AM
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Quote:
Originally Posted by southchitownstrokin View Post
Sweet might have to look into that relay.. It was a key type shut down, then wouldn't fire again.

Thanks again for the info
No problem did you get it started?
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Old 09-21-2013, 09:21 AM
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Sorry haven't been able to get back on here since last time. No, changed the CPS and still no start..
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Old 09-24-2013, 04:47 PM
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Bump.

Tried charging the batteries and a little starting fluid... No luck
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