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Engine running rough

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Old May 20, 2005 | 07:27 PM
  #1  
rtpalin's Avatar
rtpalin
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From: Edmonton, Alberta
Engine running rough

This problem I am having is itermittent. It occurs within a few minutes after starting the engine. Today I started the engine then drove out the parking lot to the main street, then turned and went a block to the stop sign. There were no cars coming so I turn onto the street and stepped on the gas to accelerate and the engine start missing really bad like it was was not getting ang fuel. This went on for about 5 seconds then suddenly accelerated like normal again. It never has done this in the morning after sitting over night. Only after the truck has been used. Last fall I had a COP go and this seems different, like there is no power at all. My fuel filter was change last year. Can anyone suggest were to start looking.
I have a 1998 F150 with a 5.4l auto trans. 120,000 km (75,000 miles)

Rick
 
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Old May 21, 2005 | 06:12 PM
  #2  
LxMan1's Avatar
LxMan1
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From: Louisville,Ky.
You might watch the fuel pressure when you are having the problem. It could be a weak pump or a dirty MAF.
 
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Old May 22, 2005 | 10:08 PM
  #3  
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peppermrj
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From: Southwestern Pa.
Might try running some fuel injector cleaner thru a couple tanks. I like chevron with techron.
 
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Old May 23, 2005 | 02:45 PM
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furrby
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From: north carolina
is the truck pulling any codes? i know a few people who had problems like yours but it was a c.o.p.

furrby
 
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Old May 23, 2005 | 06:04 PM
  #5  
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rtpalin
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From: Edmonton, Alberta
The check engine light so far has not come on at all. It may be a week or so before this power loss will happen again. I use fuel injector cleaner every 3 months when I change the oil. I will try and clean the MAF this week. Could the fuel pressure regulator cause this type of problem.
Rick
 
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Old May 23, 2005 | 06:42 PM
  #6  
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01350
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Joined: May 2005
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check your egr valve for carbon
it tends to break off and jam the valve on accel
 
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