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Old Nov 21, 2009 | 09:51 PM
  #1  
stang74shelby's Avatar
stang74shelby
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Check Engine light

What would cause the Check Engine light to kick on at about 5000 when accelerating. I have a High Flow Filter, JET Chip cat-less high flow Exhaust.... MSD Blaster Coil. Its a 1993 F-150 5.0 - non MAF..... AOD. Any ideas?
 
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Old Nov 21, 2009 | 09:55 PM
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Lol, could be ANYTHING. Pull the codes......5000? wtf you pushing it that hard for? lol
 
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Old Nov 21, 2009 | 10:01 PM
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stang74shelby
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Just burning out the carbon..... I dont normally push it that much.... Gas is gettin to expensive %)..... havent pulled the codes yet. But it flickers on and goes back off....
 
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Old Nov 21, 2009 | 10:03 PM
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It only goes on when you push it to 5000?--if so...dont do it anymore :P
 
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Old Nov 21, 2009 | 10:07 PM
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I know a 5.0 can goto 6k max.... but not sure of the full specs of the 93 5.0.... Power band and such. I dont do it too much. Wish I could find a 4.10 posi for it, or maybe convert to a 5 speed
 
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Old Nov 21, 2009 | 10:15 PM
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ginness72
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Hello, i am new to this forum and to fords, so i am NOT trying to thread jack.
My 89 f150 has a 5.0 and wont go past like 4500 to 4700 R's and it starts to break up. Is this normal??? or do you have work done to your motor to get those kind of rrr's .
 
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Old Nov 21, 2009 | 10:16 PM
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Little work done as described in the first block
 
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