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Discussion Starter #1
When its close to 5000 for and oil change why does the truck stumble sometime is has died a couple of times when i turn it on to warm up. Its runs fine after i change the oil until till its close to the next oil change what can i do to stop this? Or just change oil sooner? I just use it as a daily driver no towing. 2004 f-250 135000 miles
 

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"resident smarty pants"
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What oil are you using?
What ambient temperature is it?
How is the oil level after 5000 (high or low)?
Are you using a motorcraft filter?
Can you verify that your oil filter cap is OEM?

Also, you may have an injector acting up (ie "stiction", which is oil related) based on a P0284 code that you posted about late last year.
 

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Discussion Starter #4
I am useing rotella 15w40 ,motorcraft filter....i put hot shot to fuel around lunch time it almost cut off on me taking off to lunch it has not happend since then ill see if it helps thanks
 

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"resident smarty pants"
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I had posted more questions, but if you are happy with it then great! Best of luck w/ it.
 

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Discussion Starter #6
Oh yes sorry still acting up ....its about 70-75 degrees oil cap look original not puting any codes out right now when its studdering
 

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"resident smarty pants"
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The temperature is the right range for 15W40, but sometimes stiction issues will be more prevalent with 15W40 versus 5W40. IMO it would be worth trying a 5W40 if you were close to needing an oil change. I agree with Jamie about changing it a little early w/ the 15W40 in it.
 

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Discussion Starter #8
Dang....i already changed it with the same..... the oil level did seem high. I put 3.5 gallon. After i changed it it got worse on the studdering i left the truck home went to do a job came back now turned it on it studder a couple of times leting it warm up. I let it run 30min slight studder but idles ok
 
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