LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

a/c pressure sensor/fan question

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Old Sep 26, 2006 | 08:16 PM
  #1  
foxbat's Avatar
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From: Tampa
Angry a/c pressure sensor/fan question

hey guys,

having a problem with my a/c as follows:

recently recharged the system myself and in the process had to jump the wires on the high side sensor to get the compressor going. charged it up, then next day as soon as i start the car no a/c and my fans are running as soon as i start the car. turned the a/c on and off and the fans are still running with a cold engine and the a/c off?

then, i opened the hood and jiggled the pressure sensor and the compressor comes on and the a/c works? wtf?

any ideas? seems like the pressure sensor may be bad? if so is that what's causing the fans to come on early?

Last edited by foxbat; Sep 26, 2006 at 08:38 PM.
Old Sep 26, 2006 | 08:21 PM
  #2  
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Re: a/c pressure sensor/fan question

Trouble codes can make the fans come on.
Old Sep 26, 2006 | 08:28 PM
  #3  
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Re: a/c pressure sensor/fan question

so to clear the codes should i reset the pcm? what about the sensor...is it faulty?
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