4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Idle Problem.. need help

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Old 10-20-2009, 04:34 PM
  #1  
ernest_210
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Default Idle Problem.. need help

Hey guys, im having a couple problems w/ my gt. my camshaft sensor went bad and so did the alternator... i replaced them both , but now im starting to notice a difference in my idle. It runs great and everything but when its at a dead stop it seems like it wants to die on me but doesnt ( it idles kinda low in my opinion). its at around 600 -700 rpms. My exhaust sounds a lil quiter too. idk what it is. . . Any suggestions??! thanks

Oh and i have to replace my pinion seal cause its leaking... THis wouldnt be the reason my rpms are changing right??
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Old 10-20-2009, 08:04 PM
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99mustanggt
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Pinion seal definately has nothing to do with it.Try cleaning your IAC and TB.Also try unplugging your battery for awhile to reset the memory.
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Old 10-20-2009, 08:39 PM
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dimebag
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Factory has idle set at 650rpms... So... I don't see the problem
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Old 10-20-2009, 08:48 PM
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1996stang
 
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600-700 rpms sound right to me, is it stumbling any
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Old 10-20-2009, 09:01 PM
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99mustanggt
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yea I agree,I misread and thought you said it was stumbling.If its a steady 600-700 you are fine.
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