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

wicked idle

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Old 08-01-2007, 07:02 PM
  #1  
m1950
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Default wicked idle

99 gt auto my idle is going up and donw when i stop 700 to 2000 ive been searching for a fix but not able to find it. doesanybody know how to fix.
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Old 08-01-2007, 07:38 PM
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rwelshman
 
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Default RE: wicked idle

i had the same problem with my car and it ended up being the TPS throttle position sensor
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Old 08-01-2007, 07:41 PM
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m1950
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Default RE: wicked idle

where is this located
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Old 08-01-2007, 07:49 PM
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m1950
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Default RE: wicked idle

nevermind i fond it ill change it and let you know...
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Old 08-01-2007, 10:44 PM
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prochargedGT
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Default RE: wicked idle

if thats not your answer clean out your idle control with brake and parts cleaner, which has two bolts in it located on front of the plenum...to the right of the sensor if your looking at the plenum
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Old 08-01-2007, 11:40 PM
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wwmost
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Default RE: wicked idle

check for vacum leaks
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Old 08-02-2007, 12:01 AM
  #7  
/\CHRIS/\
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Default RE: wicked idle

Get some throttle body cleaner and open up the butterfly valve on your throttle body and clean your throttle body out really good on the inside to get rid of all the carbon on the inside. This should fix it.
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Old 08-02-2007, 03:01 AM
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2000GT4.6
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Default RE: wicked idle

ORIGINAL: prochargedGT

if thats not your answer clean out your idle control with brake and parts cleaner, which has two bolts in it located on front of the plenum...to the right of the sensor if your looking at the plenum
+1, sounds like a IAC problem.
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