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

Car will start, but won't stay on

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Old 11-28-2010, 08:49 PM
  #11  
jvog
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oh and you might as well test your battery too
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Old 11-28-2010, 09:08 PM
  #12  
Evenexchange
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Do they do this kind of testing at Auto Zone (both battery and alternator?)
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Old 11-28-2010, 10:13 PM
  #13  
jvog
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Originally Posted by Evenexchange
Do they do this kind of testing at Auto Zone (both battery and alternator?)

I know they check alternators, pretty sure they do batteries too. Look on their website
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Old 11-29-2010, 05:51 AM
  #14  
uberstang1
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Sounds like either a belt issue or battery/alternator issue. If you go to sears they can run a full battery/charging/starting system test on the vehicle.
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Old 02-10-2011, 08:26 AM
  #15  
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i would check my power steering pump also. if you dont have power steering the pump could be going out and seizing up the pulley which would cause drag and not turn your alt pulley fast enough.
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Old 02-10-2011, 01:41 PM
  #16  
Hangwire
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Check your pulley tensioner.

Sidenote, should your pulley tensioner assembly move AT ALL during idle? I noticed a squeeling pulley on my startup the other morning and noticed the tensioner just kinda moving a tad back and forth during idle.
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