5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

new engine.....rough idle

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Old 03-19-2006, 03:30 AM
  #11  
grabbem88
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Default RE: new engine.....rough idle

what you got stage I ?...some cams like timing..so it's a test/tune area.
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Old 03-19-2006, 03:33 AM
  #12  
white93 GT
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Default RE: new engine.....rough idle

yea its a stage I.

i looked at my tps and the articals ive read about adjusting it say you twist it until you reach the correct voltage but my tps cant be adjusted at all....its in a fixed location.
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Old 03-19-2006, 03:34 AM
  #13  
grabbem88
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Default RE: new engine.....rough idle

philips screw driver!
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Old 03-19-2006, 03:39 AM
  #14  
white93 GT
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Default RE: new engine.....rough idle

i know how to take it off yea......but its fixed...i cant rotate it at all.

i bought the car with it on there so i dont know where it came from
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Old 03-19-2006, 03:40 AM
  #15  
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Default RE: new engine.....rough idle

it doesn't turn it twists
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Old 03-19-2006, 03:47 AM
  #16  
white93 GT
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Default RE: new engine.....rough idle

well it doesnt do that.
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Old 03-19-2006, 03:57 AM
  #17  
MachSp33d
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Default RE: new engine.....rough idle

get it tuned maybe.
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Old 03-19-2006, 04:24 AM
  #18  
crazyhorse
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Default RE: new engine.....rough idle

you probably know , but just in case you don't the 2 holes are bigger than the screws in the tps & allows for some movement when the screws are loose, some times the holes have to be enlarged slightly. i am running the tfs kit/ 24 lb. inj./65 tb/ 76 maf c&l cia, . it idles @ 750 like it is supposed to, but it took a little while for it to get used to all the new stuff . good luck.
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Old 03-19-2006, 05:12 AM
  #19  
Liquid_02
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Default RE: new engine.....rough idle

Sounds to me like your MAF, the 5.0's will hardly run without it being just right and the only way to keep em running is to give them some gas. Is it calibrated for your injectors?

Set the timing to 14.
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