Skip the auto shop - Our mechanics make house calls

Q: AC only working some of the time

asked by on

My AC is running well only some of the time. Otherwise it doesn't cool.

Hello! A low charge or malfunctioning relay can cause an intermittent air conditioning failure. The are many components and failure points to the AC system and all should be checked for proper operation. Our mechanics here at YourMechanic know these systems - from the control head unit to the compressor clutch!

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Speed sensor may be bad

You are likely correct. The speed sensor is the most common problem with this type of issue and this would need to be checked and scanned to review any faults. I recommend having a certified mechanic, such as one from...

Q: Dash lights and radio randomly turn on and off

Hello. This is something that can be fixed. It is possible that when the starter was replaced, something was left loose and as a result, this has caused the lights on your dashboard to flash on and off. I...

Q: Driver side window motor works, but window does not go up.

Hello, it sounds like you need to have the rear window motor and mechanism replaced. A technician, such as one from YourMechanic, can assist you with this.

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...