Why does my AC compressor turn off when I accelerate?
Typically this occurs due to a bad vacuum check valve under the hood. During hard acceleration the AC door system loses vacuum, causing the doors to default to the windshield. This check valve keeps this from occurring. It is located under the passenger side of the hood.
Why does engine rev when AC is on?
When the engine is put under a load by the AC system, the car’s computer automatically attempts to compensate for that by adjusting the idle. If there is carbon buildup within any part of the system, including the idle air control valve, throttle body, or possibly even the EGR valve, it can cause surging.
Is it normal for my car AC compressor to cycle on and off?
Since the mid-1990s, most cars equipped with air conditioning have also been outfitted with electronic modules that tell your car’s AC compressor to cycle on and off. Although it may be alarming the first time it happens at a stoplight or when you are idling at the store, it is very normal.
What happens if there is no pressure on the AC compressor?
If the AC compressor is pumping the refrigerant without the right pressure and a loss of oil, it may result in serious damage to the compressor, which may result in prohibitive repair costs.
Why is my air conditioner compressor cycling on and off?
The air conditioner compressor was rapidly cycling on and off. I turned the A/C off and stopped putting R-134a into it becuase the compressor cycling was almost causing the car to die from the load it was putting on the engine. Onto Google I went.
What does it mean when your AC compressor clicks off and on?
If the compressor is clicking off and on, you are going to notice some strange sounds. It will sound like the clicking occurring when the compressor normally activates, except the air won’t be working with it. Listen for the distinct clicking noises, telling you that the switch is turning the compressor off and on.
When does the AC work in a Honda CRV?
AC Works only when engine is revving high – Maintenance/Repairs – Car Talk Community 1998 Honda CRV Replaced the AC compressor. AC is cold only when the engine is revving above certain rpm. When at a stop, the air is warm…but if I put it into neutral and rev the engine to, let’s say, 2000+ rpm, AC ge…