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

A/C-Heat Issue

Old 06-19-2009, 01:13 PM
  #1  
danielson1824
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Default A/C-Heat Issue

Anyone think they can help with this issue:

When I turn the A/C or Heat on the engine revs up and down until I turn the Air off. I can smell that the engine starts to burn really rich. It seems to only have this issue when it is warm out. I am able to use my defrost in the winter, and it doesn't have a problem. I have checked for trouble codes and none come up...

If anyone has any insight, it would be much appreciated. Thanks!
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Old 06-20-2009, 09:06 PM
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almand01
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it sounds like u are having the same problem as me. mine does the same thing and it makes my car run like crap. i talked to a mechanic about it, and he said that it could either be a bad compressor, or im very low on freon.
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Old 06-21-2009, 03:52 AM
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danielson1824
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I tried recharging my air and it didn't do anything for it... maybe it is the compressor...
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