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Old May 4, 2016 | 11:12 PM
  #1  
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Where do I start?

The last couple of days with the temps in the 50's, my 2000 F550 with a 7.3, will start normally and idle fine.
When I try to drive it, I get less than a quarter mile and it just looses power and will die.
If I flutter the pedal, sometimes it will keep running, very poorly. And when it does this, it is putting out blue smoke.
After it does this, it will run fine. Just like nothing is wrong.

What do I look for, or is this normal. I have had the truck since last October and this is the first time it has acted like this.

Any help will be appreciated.

Thanks
 
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Old May 4, 2016 | 11:29 PM
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Injectors poppets worn out, time for new injectors.
 
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Old May 4, 2016 | 11:37 PM
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Or bad IPR. Toss cold water on the IPR when acting up see if improves. Any way to scan for codes?
 
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Old May 5, 2016 | 09:00 AM
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I just got a scanner. I will see if I can pull codes.
Thanks
 
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Old May 5, 2016 | 09:14 AM
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That sounds more like fueling issue, bad pump, clogged screens in the tank. Have you done the in-tank mods?
 
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Old May 5, 2016 | 10:14 AM
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Originally Posted by HKusp
That sounds more like fueling issue, bad pump, clogged screens in the tank. Have you done the in-tank mods?
Or changed your fuel filter lately? I was thinking fuel related too!
 
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Old May 5, 2016 | 10:27 PM
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Before you spend too much time, have you checked your engine oil level? That also describes how they act when they get 6-8 qts low.
 
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Old May 6, 2016 | 09:54 AM
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Originally Posted by carltonwebb
Before you spend too much time, have you checked your engine oil level? That also describes how they act when they get 6-8 qts low.

Beat me to it.

Check your oil level. The fun part is finding out why it's low.
 
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Old May 6, 2016 | 10:20 AM
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Thanks for the replies. I will check them all out.
 
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Old May 7, 2016 | 12:01 AM
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Well I started by checking the oil. It was low.
I then changed the oil and orings on the cooler.
Not sure where it was leaking, but I hope it was the cooler orings.

When I got it all back together, it was 80 degrees out, so if it was temp related I might still have a problem when it gets cold.

It ran like a champ when I test drove it.

Thanks again.
 
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Old May 7, 2016 | 12:21 AM
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Make sure to let us know if it comes back!
 
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Old May 14, 2016 | 10:25 PM
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Well it has been a week.
Still runs great. Must have been the low oil thing.
 
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Old May 14, 2016 | 10:53 PM
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Good to hear!
 
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