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

need help

Old 02-24-2013, 11:57 AM
  #1  
jcstang2004
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My car has recently started to go way down on idle when fan kicks on when I am sitting at a stop light or something like that. Car isn't over heating or anything like that. Anyone have any advice what could be causing it?
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Old 02-24-2013, 12:25 PM
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Luke13
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Sounds like an electrical problem. Do you have a large sound system installed, how old is your battery?
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Old 02-24-2013, 12:32 PM
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jcstang2004
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No I don't. And battery is only like 2 yrs old. Its only the fan that does it and that's what I am confused
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Old 02-24-2013, 01:15 PM
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SXGT
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have the alternator tested
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Old 02-24-2013, 03:35 PM
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Luke13
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So are there any problems when you cut on the a/c, heat or roll the windows up?
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Old 02-24-2013, 05:03 PM
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jcstang2004
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Nope. Just idles down real low when fan kicks on then goes right back to normal. Just sounds like its goin to die
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Old 02-24-2013, 05:59 PM
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brent22
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Its definitely an electrical problem, check fuses, wires, alternator, battery.
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Old 02-25-2013, 06:05 AM
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jcstang2004
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Ok thanks guys for all the info. I'll check into all you have recommended
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