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car races up and down when ac on

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Old Jul 23, 2006 | 08:16 PM
  #1  
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jimmy9299
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Default car races up and down when ac on

today i was running the ac with no prob it would idle normal at 5 to 7 on tach but it started to race high pass 1 on the tach when in parked when i closed the ac in went back to normal rpms any help i have a 93 ls 400
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Old Jul 24, 2006 | 06:17 AM
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Tammy
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Punctuation and composition helps communicate understanding.

I don't mean to be insolent, but please take time to communicate your question ...

Your mileage, Please...
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Old Jul 24, 2006 | 07:10 AM
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CVsIS250
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Originally Posted by jimmy9299
today i was running the ac with no prob it would idle normal at 5 to 7 on tach but it started to race high pass 1 on the tach when in parked when i closed the ac in went back to normal rpms any help i have a 93 ls 400
prob just the result of your ac compressor turning on.

CV
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Old Jul 24, 2006 | 02:27 PM
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123k and when the ac is on it races pass one on the tach meter and stays there and does not come down
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