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Modular 4.6L Tech For all your 1996-2005+ 2V, 3V, and 4V modular motor needs.

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Old 02-21-2006, 12:09 PM   #1 (permalink)
04MustangGT
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Default Idle question?

I replaced my friends throttle body and plenium but now the revs are always at 2,000 How can I change were the car idles at? I think he bought a ported and polished ford throttle body. Is there any way to adjust those?
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Old 02-21-2006, 01:20 PM   #2 (permalink)
WaterDR
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The TB should have an idle set screw on it and it is probably not set correctly. I can give you ionstructions if you need them.
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Old 02-21-2006, 01:45 PM   #3 (permalink)
04MustangGT
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I tried looking for one on the stock throttle body. I couldnt find it, butyes I need instructions. thanks
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Old 02-22-2006, 10:22 PM   #4 (permalink)
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make sure that you hooked up all of the vacuum lines back up... ex... egr, pcv, etc... that would def make a difference... i got t/b, plenum and CAI installed it and didn't have to do any kind of "adjustments" we're not running carburators here its called EFI...just make sure you did it right..
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Old 02-23-2006, 08:15 AM   #5 (permalink)
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There's still an idle speed set screw. It should be on the backside of the throttle body.
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Old 02-26-2006, 03:03 AM   #6 (permalink)
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also make sure the tps voltace is around .98V
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Old 02-26-2006, 05:08 AM   #7 (permalink)
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Quote:
Originally Posted by matrixpuba
also make sure the tps voltace is around .98V
Yep that right there could cause your problem for sure.
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