4.6L General Discussion This section is for non-tech specific information pertaining to 4.6L (Modular) Mustangs built from 1996 to 2004.

Aluminum / performance intake 97 GT 4.6 help

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Old 02-15-2016, 06:00 PM
  #11  
school boy
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How is the idle acting?
More than likely its a iac issue.
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Old 02-15-2016, 10:53 PM
  #12  
WhiteFoxGT
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Originally Posted by school boy
How is the idle acting?
More than likely its a iac issue.
or someone messed the tps install up
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Old 02-17-2016, 06:16 PM
  #13  
Z28KLR
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Originally Posted by Rlcj452000
I have a 99 mustang gt with a accufab intake and throttle body and jlt cold air intake having problem with it not wanting to idle right
Vacuum leak or other unmetered air being drawn in maybe?

Have these parts all been on for a while and it ran fine or is this new stuff you just installed?
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Old 02-21-2016, 05:25 PM
  #14  
Rlcj452000
 
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Originally Posted by Z28KLR
Vacuum leak or other unmetered air being drawn in maybe?

Have these parts all been on for a while and it ran fine or is this new stuff you just installed?
The car was like this when I baught it idk how it acted before when it was installed but it has a all new toa sensor and iac with the new iac installed it's idled high and when U rev it it takes a minute to idle back down to like 1800 but when drove it has no skip no lose of power nothing
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