Why is my low side AC pressure low?
Possibility #2 AC low side pressure is too low because the expansion valve or orifice tube is stuck closed or clogged. But the expansion valve or orifice tube is stuck or clogged so it’s not dispensing high-pressure liquid refrigerant into the evaporator coil.
What should my low side AC pressure be?
The low-side should be near 30 PSI at 90 degrees Fahrenheit or less. Pressure that is too much lower or higher shows there is a problem. On a properly working system, high-side pressure will be about twice the ambient temperature, plus 50 PSI.
Where is the low pressure switch located on a 2009 Honda Civic?
Honda Air Conditioning low pressure switch is located under the hood on passenger side, right beside Abs pump. There will be no refrigerant loss while removing the switch and no need to drain the system, its plug and play.
What to do if your Honda Civic AC is low?
Stick a thermometer in the cabin vent and set the AC to high with the recirculating on, if it’s blowing under 50 degrees than there’s nothing wrong with it. R1234yf systems are a new beast, and you need proprietary service connections to fit the car, plus the new rule is R1234yf can’t just be “topped off”.
What should AC low side high side low pressure be?
On the other hand, there is possibly a huge leak when the pressure is zero. AC Low Side High, High Side Low: Why Does This Happen? The pressure reading from the low side should be between 25 and 30 psi and the high side between 200 and 250 psi.
Why does my air conditioner have low pressure?
There could be several causes leading to this condition including compressor issues, low-level of refrigerant, trouble with the heater or AC controls, and others. One symptom indicating a complication in the air conditioning is AC low side high, high side low pressure.
How old is the AC on a Honda Civic?
Honda use to be 3yr/36k on AC, why I asked if they are pulling even the mechanical/warrantable stuff back. Click to expand…