2000 250 7.3l Cold start rough, then dies. - Ford Powerstroke Diesel Forum
 
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post #1 of 9 Old 11-11-2009, 12:13 PM Thread Starter
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2000 250 7.3l Cold start rough, then dies.

This is my first post here guys, I have had my truck for 7 years now, and it has been a champ till now. Here is what is goiing on.

On a the first start ofthe day, the truck fires no problem, but idles rough. When I head out the driveway, i get about 3/4 of a mile and it starts sputtering real bad hopping from 500RPM to 1200RPM. Within a few seconds it sounds and feels, to me, like it is sucking air, not geting fuel, then promptly dies. From there I try to start again, and now it really feels and sounds like i have let it run out of fuel. With about thirty second intrevals of starter burning, i can get it to slowly start with a lot of throttle play. And again when it starts it runs really rough. and if I don't hop on it and put it in drive and get going and get it up to speed and temp, it will promptly die again.

I changed the fuel filter thinking maybey it was clogged up, but it looked pretty clean, and replaced it any way.

Has anyone had this problem before, can you help me?
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post #2 of 9 Old 11-11-2009, 12:22 PM
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my bet would be start with the CPS (cam position sensor) Welcome to the org

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post #3 of 9 Old 11-11-2009, 12:25 PM Thread Starter
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I replaced that about four mnths ago. Been running fine until, abouta week and a half ago.
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post #4 of 9 Old 11-11-2009, 12:33 PM
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where did you get your cps from? anyways is it throwing any codes?

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post #5 of 9 Old 11-11-2009, 01:01 PM Thread Starter
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Froma local reputable diesel shop here in town, they also installed it. I have not checked for codes, for two reasons.

#1) The check engine light is not on.

#2) I don't have a code reader.

Should the codes be checked if the check engine light has not come on?

If so, where can I obtain a code reader, or can I take it to a shop and have them read it for me?
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post #6 of 9 Old 11-11-2009, 01:05 PM
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i would go to like a discount auto parts or a place like that and they can read the codes for free it may have thrown a code and not the light. have you tried running it since this happened? like let it warm up then drive it?

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post #7 of 9 Old 11-11-2009, 01:20 PM Thread Starter
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The first time it happened, I started the turck after it died, and coninued on my way to work aout 15-20 mile. Ran fine the rest of the way once it got warm. and I t was the same story for a trip or to to the local park, about 3 miles away. I have driven it I think five times since, and every time, the cold start gets a little harder, and after it dies, the restart takes longer and longer. This last time it happened, I would restart the truck by cranking for 30-50 seconds with throttle play until I could hear it starting to fire, back of the starter for five seconds, then try it again, and it took half a dozen cranks to fire up, with a reall rough idle, then a high idle, then it died. This happened five or six times. On the last trry frustration was setting in, and as soon as i got the motor fired up, I throttled it about 3/4 and threw it into drive. it took oof like a bullet and continued running rough, all the way through the RPM range. I was lucky enough to catch some lights, and keep the throttle to it, enugh to keep it going. By the time I got to the park the truck was running pretty good, not like butter or anything, but well enough. then when I started it after walking around the park. it was a bout a ten to fifteen second session of cranking, before fire, and ran well enough on the way home.
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post #8 of 9 Old 11-17-2009, 04:13 PM
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rough when cold

What if anything have you done to correct your problem. I have a 2002 with similar problem, except runs fairly good once up to temp.

2002 e450
2005 f350
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post #9 of 9 Old 01-07-2016, 12:36 PM
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What did you find was the problem? I have a 200 1 ton that is exhibiting the identical problem
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