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95 250 no start...HELP!!

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Old Nov 11, 2010 | 02:25 PM
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From: nicholasville, ky
95 250 no start...HELP!!

replaced high pressurwe oil pump and now it wont start. any special thing need to be done?? need help ASAP
 
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Old Nov 11, 2010 | 02:53 PM
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Originally Posted by big78f150
replaced high pressurwe oil pump and now it wont start. any special thing need to be done?? need help ASAP
What have you checked ?
 
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Old Nov 11, 2010 | 04:49 PM
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Did it run before you changed the hpop? How much cranking have you done?
 
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Old Nov 12, 2010 | 02:14 PM
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its not my truck its my gf bros. it ran before the pump was changed but it would shut off after it got hot. put the new pump on it and it wouldnt start. they used either on it, i know not ideal, but we managed to get it running last night and let it idle for awhile. he got in it to drive it, made it to the end of the street and it shut off. had to push the damn thing home. i was thinking about buying the truck but damn i think ill stick to gas.
 
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Old Nov 12, 2010 | 02:15 PM
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they cranked on it for quite awhile. i wasnt there to help from beginning just left with the aftermath lol. now trying to piece all of it together haha
 
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Old Nov 12, 2010 | 02:17 PM
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It most likely has an internal high pressure leak, IPR O ring ,or an injector O ring or 2.. Who diagnosed the HPOP needing to be replaced ?
 
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Old Nov 12, 2010 | 02:41 PM
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What rick said. Most likely the hpop wasn't the problem.how did the o rings on the ipr look when you had it out? Did you tighten the nut back up? I agree its probably either injector o rings or ipr orings. Shuting off when warm is not a hpop problem as you just found out because it did the same thing after it was changed
 
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Old Nov 12, 2010 | 03:20 PM
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he said a mechanic supposedly tested it?? idk like i said i wasnt there at the beginning lol. what are some of the signs that the HPOP is bad? cause it ran at an idle for about 2 hours he thinks it may have ran out of fuel the gauge doesnt work. as far as that goes i guess he will have to get more fuel to determine if thats why it shut off. none of the shops he took it to were a known diesel shop just some common garages around town. do you have a diagram of where the ipr is? ill check it for him, hes not mechanically inclined lol. im new to diesel but if its gas i can do anything
 
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Old Nov 12, 2010 | 06:12 PM
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The ipr is on the back side of the hpop. There are pics around, I don't have it though.
 
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Old Nov 12, 2010 | 06:18 PM
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A little ipr info in this thread:

https://www.ford-trucks.com/forums/8...ht=IPR+removal
 
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Old Nov 12, 2010 | 06:37 PM
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IPR Pic...

Just to the left of the HPOP

2 Wire plug on topName:  IPR AND HPOP.jpg
Views: 100
Size:  67.6 KB
 
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Old Nov 13, 2010 | 09:47 AM
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i wish hed hurry up and get the damn thing fixed. the 2 brass fitting stripped out on the water fuel seperator. atleast i think thats what that is called. he put fuel in it and it started but he couldnt let it run because they stripped those fittings out. so we shall see after those fittings come in
 
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