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Excessive refrigerant charge, or (less likely) a blockage or kink in the high side piping.
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∙ 13y ago
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Explain the possible causes about high pressure side is too low and low pressure side is too high?
The high pressure side being too low could be caused by a lack of refrigerant in the system, a malfunctioning compressor, or a problem with the condenser. On the other hand, the low pressure side being too high could be caused by an issue with the expansion valve, a blockage in the refrigerant lines, or a failure in the evaporator coil. It is recommended to have a professional technician diagnose and repair the problem to ensure proper functioning of the system.
What would cause the low side on an air conditioner to be too high?
When you say too high, just how high is it and what is the high side pressure. It is not uncommon for the suction pressure(lowside) to get up to 80psi on a very hot day. You cannot determine what is wrong unless more information is provided. It could be that your system is overcharged, but without the high side pressure and the temp of the suction line it is hard to give the right answer.
What makes sugar solution boil too much?
Too high a heat.
What neds to be replaced or cleaned if a 94 Honda Civic has too much pressure on the high pressure side of the AC system?
I would take it to a different garage for diagnosis,
Use curb in a sentence?
The curb on side of the road is too high!
Does your AC system need work if a test showed press of 75 low and 103 high side with an outside temp of 64 and inside of 72 and the placard on the unit shows design pressure of 150 low and 300 high?
YES first of all the design pressures are only indicating what the pressure test at the factory was. a normal r22 system when running should have a low side pressure of 50 -60 and the highside will vary aroung 200 - 275. Your low side pressure is too high and your high side pressure is too low for the outside temperature and the low side pressure. Are you sure about these numbers? If your suction(low) pressure is reading 75psi then your high side should be reading well over 200psi. At an outdoor temp of 64 degrees, it seems that your suction pressure is too high. Block the airflow of the condenser fan w/cardboard,etc...if the high side gets a little higher and the low side goes up with it, then the valves in you compressor are shot and you need a new unit. This is caused by too high of head pressures (lack of airflow, dirty outside coils), lack of oil return to the compressor, or constantly running in an undercharged state. Sorry for the bad news.
What makes a 1995 Sonata idle too high?
You may have leak in the intake
What causes the air conditioner on a 1992 LS400 to turn off by itself with plenty of freon in the system Systemruns for 30 minutes and then shuts down?
Some AC units will cycle off if the high side gets too much pressure built up. The only way to know for certain if there is not enough or too much refrigerant is to put gauges on the high and low side.
What makes the compressor stop running?
low on freon or too high pressure or thermostat
What is the speed at which the nervous system responds to things?
High five, too slow.
The ac compressor won't engage from switch on your 90 shadow is there a relay in the system?
There is a rely on the drivers side fender. It is the second relay from the front of the car. If it won't engage usually it is that there is too low or too high pressure in the system. Most of the times it it just low on freon and a sensor will not allow the compressor to turn on.
