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Old 07-24-2006   #1 (permalink)
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Default 2004 v-6 mustang a/c problem..pressure reading goes from normal to high

2004 mustang with a/c problem. The pressure reading on the low side starts of normal, them after a few minutes, the compressor shuts off and the pressure goes up...the compressor comes on again, and the pressure again goes within the normal range...this occurs over and over again. What might be the cause.
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Old 07-24-2006   #2 (permalink)
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Originally Posted by ajmcpa
2004 mustang with a/c problem. The pressure reading on the low side starts of normal, them after a few minutes, the compressor shuts off and the pressure goes up...the compressor comes on again, and the pressure again goes within the normal range...this occurs over and over again. What might be the cause.
Where are you getting the pressure readings from?

While you're driving, or at idle?
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Old 07-24-2006   #3 (permalink)
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Originally Posted by ajmcpa
2004 mustang with a/c problem. The pressure reading on the low side starts of normal, them after a few minutes, the compressor shuts off and the pressure goes up...the compressor comes on again, and the pressure again goes within the normal range...this occurs over and over again. What might be the cause.
It should still be under warranty -take it to the dealer.
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Woe to him who builds his palace by unrighteousness,his upper rooms by injustice,making his countrymen work for nothing...Does it make you a king to have more and more cedar?Did not your father have food and drink?He did what was right and just,so all went well with him. He defended the cause of the poor and needy,and so all went well...But your eyes and your heart are set only on dishonest gain,on shedding innocent blood and on oppression and extortion. Jer 22:13, 15-17
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Old 07-24-2006   #4 (permalink)
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Originally Posted by ajmcpa
2004 mustang with a/c problem. The pressure reading on the low side starts of normal, them after a few minutes, the compressor shuts off and the pressure goes up...the compressor comes on again, and the pressure again goes within the normal range...this occurs over and over again. What might be the cause.
The reading are from the low side of the system, while it is idling
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