A/C cutting in and out on 00 V6 - Mustang Evolution

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Old 08-18-2006, 06:33 PM   #1
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A/C cutting in and out on 00 V6

The A/C occassionally cuts out under throttle on a 00 V6 Mustang. Any ideas?
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Old 08-18-2006, 07:46 PM   #2
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Re: A/C cutting in and out on 00 V6

Is this part throttle or like 75%-WOT? I know with some cars when going up hills or there's a high demand on the engine the AC will slow down the compressor so the engine can get maximum power.

It could be a combination of that and maybe you're a little low on R134a. Not uncommon for a car that's almost 7 years old.

What speed are you going when this happens? What's the ambient air temp? any other relative information is helpful...
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Old 08-18-2006, 08:24 PM   #3
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Re: A/C cutting in and out on 00 V6

Most cars nowadays cut off the a/c compressor at wot, pretty normal.
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Old 08-19-2006, 06:43 AM   #4
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Re: A/C cutting in and out on 00 V6

It's more like 40% throttle. Not at WOT. I don't know if its the refridgerent, this problem seems linked to engine load.
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Old 08-19-2006, 11:42 AM   #5
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Re: A/C cutting in and out on 00 V6

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Originally Posted by MF-DIF View Post
It's more like 40% throttle. Not at WOT. I don't know if its the refridgerent, this problem seems linked to engine load.
Hm...so it's like the engine is bogging down and the a/c cuts out. Sounds like there's something clogging up, when's the last time you changed the fuel filter?
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Old 08-21-2006, 08:43 AM   #6
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Re: A/C cutting in and out on 00 V6

On 99-00 v6 the ac cuts out when at WOT. On 01+ it stays on. This is a parameter in the EEC that I can tune.
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Old 08-22-2006, 08:30 AM   #7
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Re: A/C cutting in and out on 00 V6

I'm not at WOT when this happens. The motor does not lug either. It happens when you maybe put down 1/2 throttle. It's spuradic. The car has 65k on it.
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Old 08-22-2006, 09:39 AM   #8
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Re: A/C cutting in and out on 00 V6

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I'm not at WOT when this happens. The motor does not lug either. It happens when you maybe put down 1/2 throttle. It's spuradic. The car has 65k on it.
Right. Could be a bad clutch or low on r134a.
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