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2008 crv a/c cycling on and off

A/c is full charge of r134a but still cycles on nd off at idle

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Possibly Low pressure switch. You can check by removing the plug that goes to it and using a jumper wire to conect the two post inside the plug that you took off. if it stays on thats your problem. If not you have more serious issues that will require a visit to the shop.

Posted on Jan 08, 2013

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SOURCE: 1998 Chevy Blazer. A/C Compressor wouldn't cycle.

You need more freon. untill the compressor quits cylcing off so much. the gauges on the diy kits are'nt the best in the world

Posted on Jun 18, 2010

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Replaced all A/C major components (compressor, filter-drier accumulator, and orifice tube) except condenser due to a seized compressor and failed clutch bearing. Flushed system and appeared to have no...


It sounds like you've done just about everything except to check if there is a bad or intermittent wire causing this or perhaps your low-pressure safety cutout switch is possible going bad causing the compressor to kick on and off?

Nov 01, 2013 | Lincoln Town Car Cars & Trucks

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2004 Jeep Grand Cherokee AC Clutch


usually cycling means it's not quite full,try just a bit more.

Mar 21, 2013 | Cars & Trucks

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AC compressor cycling on and off every 4-5 seconds, RPM has dropped. Low pressure side has not increased much after about 12oz of R134a has been added. Low side reading is currently about 36 lbs.


still need more freon-will short cycle when ur driving or bring up the revs because the low side will drop- average would be at or about 55 when running higher than idle

Jul 25, 2010 | 1995 Isuzu Rodeo

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2006 FORD F150 THE AIR CONDITION KEEPS GOING ON AND OFF EVERY FEW SECONDS AND REPEATS. THANKS


Is the compressor cycling? If it is the refrigerant charge is most likely low. You will have to hook up a set of gauges and see what your pressure readings are with the A/C on and add the appropriate amount of R134a.

Jun 05, 2010 | 2004 Ford F150

1 Answer

1998 280C Benz A/C keeps kicking out


You may be low on R134a and need a simple charge. As the Compressor cycles, the low side pressure drops and if it drops to far it will cut the compressor off till the pressure rises again. The high pressure side rises and the low side drops, but when it drops to far since there is not enough R134a in the system you get the on off cycle. The other cause to this is a bad pressure switch, or bad expansion valve, and moisture in the system as it ices up in the lines and pressure builds causing the pressure switch to cut the compressor off too. Re-cap, try recharging the a/c system for now since it's still working. Good luck and keep me posted. Be glad to help.

Jun 25, 2009 | 1994 Mercedes-Benz C-Class

1 Answer

Idle Revs With Front Defrost


when you use the front defrost in the winter the cycling of tha a/c compressor will cause this condition.

when you use defrost the a/c is run to de-humidfy the air that is blown onto your windshield.


in the summer this is not a big deal as it is hot enough outside to keep the a/c system pressure above the compressor clutch cycle threshold. but in the winter the general lack of heat in the ambient air and the lack of humidity results in rapid cycling of the ac compressor.

the idle is bumped up to compensate for the load of the a/c compressor, or else your engine would stall out. but when the compressor is disengaged the idle is dropped. but it raises again when the compressor cycles back on.

there may be a good chance that your ac is under charged after all these years. when the weather gets warmer have the charge level in your ac system checked.

a low charge will also increase the on off on off cycling of the ac compressor, usually resulting in the complaint that you have. so the base issue of your problem is low ac system charge.

Apr 11, 2009 | 2000 Jeep Wrangler

1 Answer

02 honda crv after warming up it shuts down at a stop


Here is the most common cause of surges and stalls and low idle, it is the idle speed control air-bypass valve and throttle valve, they get full of gunk over the miles and cause idle issues (stalls) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Dec 15, 2008 | 2002 Honda CR-V

5 Answers

1999 Honda CRV A/C


The compressor is supposed to cycle on and off. The idle problem may not be the compressor but the solenoid that controls the idle when the compressor is engaged. A bad clutch would present in different ways, i.e. metallic scraping noise. I doubt at this point you are damaging the system by running the a/c.

Jun 07, 2008 | 1999 Honda CR-V

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