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.

Idle surge

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Old 06-20-2006, 10:06 AM
  #1  
fordaorm
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Default Idle surge

Hey guys i just installed a fresh 302 in my 93 GT. I added GT40 intake and GT40P heads with stiffer valve springs, FPP e303 cam, And 24 pound injectors. I cant get it to idle correctly it surges UP and Down and after a couple mins itll stall. Runs great but when i put it into gear it stalls. Now the IAC is new so i know thats not a problem. from the smell i thinhk its floodin out. Now i have not gotten a Mass Airflow Sensor calibrated to my 24lbs injectors. Could this be the problem???
Also i dont have any of the emissions parts so i know it not those...
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Old 06-20-2006, 10:10 AM
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ROTTITANK
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Default RE: Idle surge

Got to get that mass air calibrated.
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Old 06-20-2006, 10:59 AM
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Joel5.0
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Default RE: Idle surge

Suggest to start with http://www.themustang-net.com/eec.shtml and the MAF needs to be calibrated.
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Old 06-20-2006, 11:25 AM
  #4  
88BlueGT
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Default RE: Idle surge

And if thats not it.... search for "Fix My Damn Idle Thread"
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Old 06-20-2006, 02:30 PM
  #5  
92hatchLX
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Default RE: Idle surge

lol, that thread cured my idle! Do you have an adjustable FPR??? And get that damn MAF calibrated.
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