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 speed

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Old 12-25-2006, 05:10 PM
  #1  
brundz
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Default idle speed

what's the standard idle speed on these things. 600 seems a little low but i always thought 900 was a little high. it idles anywhere between 400 and 1700 right now but i'm in the process of fixing and was just wondering where its suppose to be
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Old 12-25-2006, 05:11 PM
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92hatchLX
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Default RE: idle speed

750
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Old 12-25-2006, 06:57 PM
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Joel5.0
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Default RE: idle speed

Idle target of the EEC-IV system is 672 rpms.
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Old 12-26-2006, 01:48 AM
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Twisted
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Default RE: idle speed

ORIGINAL: Joel5.0

Idle target of the EEC-IV system is 672 rpms.
Is that for all cars, Joel? My emissions sticker says 750 rpms for a 5 speed.
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Old 12-26-2006, 02:35 AM
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Mowin8603
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Default RE: idle speed

hmm im 5 speed and at about a grand.. but i do think im a little high
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Old 12-26-2006, 02:39 AM
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Twisted
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Default RE: idle speed

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hmm im 5 speed and at about a grand.. but i do think im a little high
Idon't know. Mine would idle a lot better at a grand...and charge better too. I 'm just stuck on following the manufacturers recommendation of 750. I may bump it up anyway though.
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