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Discussion Starter #1
i am out here in arizona and i have a 93 alty se, black. now in the morning or at night when it is cooler the ac blows cold and works great but in the middle of the day is is really hot, and if i let the alty idle for a while with the ac on the compressor starts to kick on and off like every 5 seconds and if i pull up to a light, the car rpms drop from 1000 to 500 and the car almsot dies, but it does not do it in the morning or at night when it is cooler. my mechanic said i might have to much head pressure which can cause the compressor to cut off so he took out a little refrigerant, but it is still a prob. any suggestions?
 

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The Don.
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6,151 Posts
Actually, low refrigerant can cause this problem. Also check for a loose AC belt. Outside of those quicky fixes it could possibly a flaky sensor doing it. But you will need a schematic diagram of system to help find the cause.
 
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