NO high engine fan, weak AC, R1234 PSI?

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jesilvas

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Joined
Oct 4, 2023
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Location
Texas
Finally up to 100 degrees in Texas and the ac threads are in full swing.
Thing is, our ac is great while driving, not so great sitting. Using Forscan, I can watch pressures but I can't find that is normal on the but R1234 refrigerant.
I also never hear the engine fans hit high, only low. Forscan confirms this.
I'm thinking they are related but without knowing what pressure should be, I don't know where to start.
Anyone have any good links?
 
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