99 f250 7.3 fuel problems need help!!!! - Ford Powerstroke Diesel Forum
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Old 03-22-2012, 09:05 PM
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Angry 99 f250 7.3 fuel problems need help!!!!

i have a 99 f250 7.3 powerstroke. i am having fuel problems i have replaced the fuel pump on the frame and replaced the o-rings on the fuel drain valve. i also have replaced the glow plugs and the wiring harness as well. it is very hard to start in the mornings and usualy takes about an hour till it finally starts . good cranking amps and everything it just takes awhile till the fuel gets to all the injectors.i need help please im stumped on this pickup and cant figure out any solutions.
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Old 03-23-2012, 11:53 AM
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does it try to fire when cranking over or just crank? if its not trying to firing when cranking it might not be a fuel issue. it could possibly be a high pressure oil leak. wether its a weak pump or its draining down somewere.
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Old 03-25-2012, 08:33 AM
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well i found the problem and i put the seat pin on the fuel pump backwardsa and im getting fuel now and it still takes forever to start. i go to start it and it just cranks over without trying to fire so i let it sit and try it later then it will start eventually
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Old 03-25-2012, 10:13 AM
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Well if you have time. There is a allen head plug right on top of the front of your engine. Take it out and see how far down the oil is sitting. If its more than an inch that would be why its cranking so long because it has to fill all of that first
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Old 04-08-2012, 05:51 AM
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hi my name´s Josep I´m from barcelona spain , I have a 2005 excursion 6.0 diesel
And have starting problem , the engine not start, but if you put autostart liquid in the air box filter the car start, do you know what´s the problem?, Its possible the ipr failure?
Thanks
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Old 04-10-2012, 06:49 AM
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Send a message via AIM to Cecil the Diesel
The front of your engine sports a HPOP reservoir. On the driver side in the back of this reservoir is the Engine Oil Temp Sensor (EOT). Replace it as you perform an oil change of the 3 quarts of oil in the reservoir. You change the oil in the reservoir by rigging up a small hand pump. Taking out a quart, add a new quart, put the plug in and run it for 5 minutes.
Do it again two more times and during the last time you add oil leave 8 ounces of room for a bottle of PROLONG engine oil treatment.
If its not your GP relay or your glow plugs or the dreaded injectors this usually works to help with long crank problems. BTW your buddies at Ford don't tell you about this like they don't tell you about the front hub bearing they can't seem to find.
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