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AC Question

B

bronze93

New member
So it is hot as hell outside so I figured I would try and get the ac to work. Checked all the relays because the clutch wouldn't engage and they were fine. So I connected my actron cp9145 and it was showing ac pressure as 5 psi. So I added more freon to the system and the pressure went up and kicked on the cluch. So I thought I was set, wrong. Everything test fine with the car in run not started but as soon as I start it the cp9145 shows the clutch is enabled, the ac not active, the ac pressure as 111 psi, and the ac request is yes. As soon as I shut off the car everything stays about the same except the ac is active. I would have thought it would be the other way around. Any ideas on why the system is not active as soon as I start it? Thanks

1994 Pontiac GTP
 


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