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Truck started missing

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Old Sep 11, 2020 | 08:43 PM
  #1  
Mikec35's Avatar
Mikec35
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From: Western NC
Truck started missing

I was driving my truck and it felt like it was missing around 30 mph going up a hill with an easy throttle. It did it twice, seems like I was able to throttle it through the second time, kinda hard to tell because it happened pretty quick. I didn't get a check engine light. Any idea what I should start checking? I thought possibly water in my fuel, I'll drain the bowl and take it on a drive to see if it reoccurs.Thought maybe transmission stuttering but it was rebuilt 8,000 miles. I'm at 269,000 miles and truck has run great, I don't know the previous owners history. Any advice appreciated. Thank you
 
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Old Sep 11, 2020 | 11:02 PM
  #2  
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From: Lake Stevens, WA
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Might have a pending code for that miss. These will not trigger the CEL. I would recommend reading codes with Forscan or Forscan Lite and an OBDII dongle. UVCH on one side or the other might be coming loose.
 
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Old Sep 12, 2020 | 05:36 PM
  #3  
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Mikec35
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From: Western NC
Thanks Jeff. I've got Forscan and the dongle. Just need to take the time to figure out how to use it. I took the truck for a 20 mile round trip today and it worked fine, no misses.
 
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Old Sep 16, 2020 | 05:53 PM
  #4  
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carltonwebb
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check engine oil level while you are looking. Its free and could cause similar issue when truck is cold (below normal temp bracket).
 
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Old Sep 17, 2020 | 07:52 AM
  #5  
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From: GA
What was fuel level ? Hutch mod or factory screens?
 
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Old Sep 17, 2020 | 09:19 AM
  #6  
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From: BoCoMo
This may not happen again for thousands of miles (or get worse). With that amount of miles, o-rings are breaking down. Hit a bump and a connection at the HPOP may move and allow a leak. Do you have any oil or fuel in the valley?
 
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Old Sep 18, 2020 | 09:57 PM
  #7  
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dmd
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From: DFW
Blowby level change dramatically?

 
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