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power loss

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Old Dec 21, 2009 | 05:03 PM
  #1  
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cinch1985
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power loss

this is my first post on here. i have a 1989 f250 with a 351 in it. it has a tfs 1 cam, shorties, and dual exhaust. when the truck gets warm it seems to stop pullin as hard. when the truck is cold it runs like a raped ape but after it warms up it just dont seem to have the same power. egr and smog pump are also gone. any ideas what it might be?
 
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Old Dec 21, 2009 | 10:29 PM
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Originally Posted by cinch1985
this is my first post on here. i have a 1989 f250 with a 351 in it. it has a tfs 1 cam, shorties, and dual exhaust. when the truck gets warm it seems to stop pullin as hard. when the truck is cold it runs like a raped ape but after it warms up it just dont seem to have the same power. egr and smog pump are also gone. any ideas what it might be?
You may have answered your own question. Check to see if there are any stored error codes. Has it always been this way? Did something else change?
 
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Old Dec 22, 2009 | 03:23 PM
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i bought the truck this way. will there be codes even though the check engine light is not on?
 
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Old Dec 22, 2009 | 08:36 PM
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Yes indeed. In many cases there can/will be stored codes with no CEL turned on.
 
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Old Dec 22, 2009 | 08:58 PM
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Mine has more power when it's cold, also. Subscribing..
 
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Old Dec 23, 2009 | 06:35 AM
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Look at your timing for a start also ctalytic converter could be stopped up
 
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