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

RPM getting stuck!!!!!!!

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Old 09-07-2006, 11:36 PM
  #1  
ilovemywhitepony
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Default RPM getting stuck!!!!!!!

My RPMs on my car get stuck every now and then like at 2500-3000 and just stay there for awhile....sumtimes cuttin the car off then back on works.....has ne1 else had this problem?
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Old 09-07-2006, 11:41 PM
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Dan04COBRA
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Default RE: RPM getting stuck!!!!!!!

TPS, IAC are good places to start.
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Old 09-07-2006, 11:42 PM
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stang2000
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Default RE: RPM getting stuck!!!!!!!

Also double check all vacuum lines from the Fuel Pressure Sensor on the left fuel rail to the plunum vacuum lines and every of part. Make sure none are cracked as well.
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Old 09-07-2006, 11:48 PM
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96GTMustang
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Default RE: RPM getting stuck!!!!!!!

I have my idle turned up just below 1,000 rpm so my car stays running b4 my tune, but mine gets stuck around 2,000.
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Old 09-08-2006, 12:46 AM
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doughboy4.6
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Default RE: RPM getting stuck!!!!!!!

your cel light come on yet?
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Old 09-08-2006, 12:48 AM
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randy78045
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Default RE: RPM getting stuck!!!!!!!

sell the car an get another... [sm=alcoholic.gif]
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Old 09-08-2006, 12:48 AM
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monkeydude3
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Default RE: RPM getting stuck!!!!!!!

try cleaning the iac. It's a great place to start
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