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Old Dec 30, 2009 | 05:16 PM
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uppernorth's Avatar
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what do you think

i have a 2000f350 v10 with 105000 miles . today when coming home it dont seem like it wants to go over 55 . no warning lights . i seems fine to about 35 hit the gas and it has power . after 50 very little response , it almost will shut dow if you hit the gas . if you accelerate slow it seems to gain a little . no vibration or strangw sounds . its like its held in a gear .any ideas ?
 
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Old Dec 30, 2009 | 06:25 PM
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Clogged fuel filter or clogged catalytic converter???
 
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Old Dec 30, 2009 | 06:33 PM
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i replaced the fuel filter at 75000 . and this came on real fast the truck has been running good and getting above average gas milage .
 
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Old Dec 30, 2009 | 06:35 PM
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Fuel pump or catalytic converter?
 
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Old Dec 30, 2009 | 07:01 PM
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did u just refuel recently ???

my guess is fuel filter or a flow problem...

p.s. when was the last time u checked the air filter/system ???
 
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Old Dec 31, 2009 | 08:51 AM
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i refuel every week . and im about 3/4 through the last tank .the truck gets its gas 98 pct at the same place . i sell gas . but i did take a trip to chicago a two weeks ago .
 
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Old Dec 31, 2009 | 11:32 AM
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Check your air filter and see if the center came out and is blocking the air inlet at the back side of the filter housing.

Denny
 
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Old Dec 31, 2009 | 11:35 AM
  #8  
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Like others said, change your fuel filter and look for water in the fuel. It is a good cheap place to start.
 
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Old Jan 1, 2010 | 08:22 AM
  #9  
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taking it in monday . my guy thinks its fuel related and i think its the converter . its doing the exact same thing my 1978 f150 did . ran great at low speeds and when hitting the gas in neutral but would starve under load . il let you know next week .
 
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Old Jan 3, 2010 | 10:16 AM
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Originally Posted by uppernorth
i refuel every week . and im about 3/4 through the last tank .the truck gets its gas 98 pct at the same place . i sell gas . but i did take a trip to chicago a two weeks ago .
If it is the fuel make the gas station pay the repair. I had a problem with Quik Trip fuel last year and they paid maybe your station will if your a regular. Good luck.
 
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Old Jan 5, 2010 | 08:55 AM
  #11  
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the gas station did pay for the repair . i own the station . it was the maf sensor . they found the problem fixed it with a rebuilt from napa and the whole thing cost $206 and change didnt think it was a bad price .
 
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Old Jan 5, 2010 | 09:12 AM
  #12  
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Now that's interesting. From a diagnostic point of view, does anyone know how the engine would have responded if you had unplugged the MAF?
 
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Old Jan 5, 2010 | 12:07 PM
  #13  
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il find out more in a while but he said something about that it was telling the engine that it was running at 28 lb vaccum and it couldnt adjust .
 
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Old Jan 6, 2010 | 08:26 AM
  #14  
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wasnt vaccum was barametric pressure but . he replace the maf . picked up truck its 14 miles to my house . for around first 10 miles ran like it was new . than went right back to what it was doing before he replace the maf so back to the shop waiting to hear .
 
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Old Jan 6, 2010 | 04:48 PM
  #15  
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ok he brought it back said the thermostat was keeping it at 130 deg . changed it now its 195 and seems to be running smooth and strong at least for the 60 miles we drove .
 
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