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Old 04-30-2006, 06:11 PM   #1
darreyll
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engine stumbles on acceleration

What would cause a 1999 ford mustang v6 to stumble and stall out after 10 minutes of running the ac and how do you fix it? it only happens after i turn on the ac
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Old 05-01-2006, 02:50 AM   #2
Sick88Tbird
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That sounds like a bad ground some where...clean your batter cables/posts and check any chassis grounds you can find...clean 'em up and see where you stand.
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Old 05-01-2006, 03:29 AM   #3
BubbaJones
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Quote:
Originally Posted by darreyll
What would cause a 1999 ford mustang v6 to stumble and stall out after 10 minutes of running the ac and how do you fix it? it only happens after i turn on the ac

It sounds like your car is stalling because of too much power being lost from the a/c when on.. I Think you should check out The High idle switch for the a/c.. It's mounted on your throttle body. When your car is at idle and you turn the a/c on Does the idle pick up 150-200 Rpm?? If your idle don't increase the switch is either out of adjustment this would only be out of adjustment if it has been removed etc. More then likely if your idle don't increase the a/c switch is bad. I hope this Helps
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Old 05-01-2006, 03:42 AM   #4
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Quote:
Originally Posted by BubbaJones
It sounds like your car is stalling because of too much power being lost from the a/c when on.. I Think you should check out The High idle switch for the a/c.. It's mounted on your throttle body. When your car is at idle and you turn the a/c on Does the idle pick up 150-200 Rpm?? If your idle don't increase the switch is either out of adjustment this would only be out of adjustment if it has been removed etc. More then likely if your idle don't increase the a/c switch is bad. I hope this Helps
I can assure you that although you hope it might help, it doesn't. High idle switch on a '99 Mustang 3.8? Where did you get that information from? Better get your facts straight and have some clue as to what you're talking about BEFORE you start giving advice.
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