A/C only working at idle

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Dec 11, 2024 | 04:26 PM

#21

IHBD

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From: So Cal

2023 C4 of the Year Finalist - Unmodified

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Last edited by IHBD; Dec 12, 2024 at 06:22 PM.

Dec 11, 2024 | 04:28 PM

#22

Vinny37

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From: Orlando

I'll check for that code. I replaced both of the sensors, high and low when this started happening. Hopefully i didn't get a faulty one.

Dec 11, 2024 | 04:32 PM

#23

Vinny37

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From: Orlando

Yes. The system was evacuated with a vacuum pump for sure. My mobile mechanic did it. I saw his machine, since we chit-chatted about the process. I'll definitely have him test the fans for sure. Thank you!

Dec 11, 2024 | 04:35 PM

#24

IHBD

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From: So Cal

2023 C4 of the Year Finalist - Unmodified

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Last edited by IHBD; Dec 12, 2024 at 06:23 PM.

Dec 11, 2024 | 04:39 PM

#25

solar88

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Joined: Oct 2023

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From: St. Petersburg, FL

Next time your AC guy hooks up the gauges, check the pressures at a steady 2500-3000 rpm. If they’re at least around the 30/200 you have been saying, then there’s nothing wrong with the mechanical part of the system. (Those I doubt you actually have r12 in your system, it’s probably some type of propane based refrigerant) So at least you can rule that out. My guess is something is up with your new controller.

Dec 11, 2024 | 04:53 PM

#26

Vinny37

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From: Orlando

Will do. I'll have him do exactly as you say. I bought the r12 from people in the neighborhood through marketplace. i'm pretty sure it's old school r-12, otherwise i agree with you.

Dec 12, 2024 | 03:36 PM

#27

Vinny37

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From: Orlando

Got it. I will follow your lead. I messed around with the temperature today again. It's cool here today, in the 50's and 60's. My temp when driving around doing chores did not go above 73. That is when I went to code "16" on the climate control module.

Dec 12, 2024 | 03:37 PM

#28

Vinny37

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From: Orlando

By the way, I have a 160 degree thermostat since it gets so hot here in the summer. I also installed an extra fan behind my condenser to keep the car cooler. That fan has been there for three years now and my C4 does not run hot like others do.