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

'02 GT Stalling under throttle

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Old 06-09-2009, 07:47 PM
  #11  
X6StringerX
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A new fuel pump might resolve the issue for the OP.

That's where my symptoms differ from the OP's. If I lightly get on the throttle, it runs perfect whereas the OP's dies. If I go heavy on the throttle, it bogs, then revs, then backfires, and then idles. Keep in mind that this ONLY happens when the car is cold. After it's warm, it runs perfectly.
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Old 06-09-2009, 09:17 PM
  #12  
98blackArt
 
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hmmm i really cant help you there .. i wish you luck though
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Old 06-18-2009, 08:34 AM
  #13  
X6StringerX
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Any luck with the problem, OP?
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Old 06-19-2009, 12:24 AM
  #14  
Unsullied_Spy
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Apparently the hose going into the IAC was disconnected somehow. Hooked it back up and started it up and ran fine but it was reading lean, so I had to clear the computer but I've put another 100 or so miles on it and it's running perfectly now.
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Old 06-19-2009, 12:46 AM
  #15  
X6StringerX
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I love free fixes, haha.
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Old 06-19-2009, 01:08 AM
  #16  
Unsullied_Spy
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No kidding! I figured it was something electrical like a TPS, IAC, or MAF sensor which would run me around $300 to replace.
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