Question about 1994 Honda Civic

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Ac does not work

On my 1994 civic, the ac compressor does not get power. The level of freon is right, the instrument pannel is changed, the two relays by the condensor is replaced, the ac cut off switch on the line by the dryer is being jumped. The funny part is that it works some times but not other. Need help.

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  • 75 Answers

It sounds like the main control that's in the dash where you control your hot and cold the a/c may be dieing out on you. You may need to replace that unit.

Posted on May 21, 2009

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Posted on Jan 02, 2017

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1 Answer

09 mercedes c300 my ac blower quit working and the freon level is fine no bad fuses or relays


fan motor probably faulty use a meter to test freon level would be compressor not fan problem

Aug 09, 2017 | AC Cars & Trucks

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The compressor is not kicking in automatically?


If the AC compressor is not working, the first thing to check is for a low freon level ( most common ). If freon charge is good, then relays/wiring need to be checked for power to the compressor

Jul 10, 2015 | Cars & Trucks

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How do i get my ac to work on my 94 honda accord?


You did not say you had check the Freon level or the low pressure switch on the dryer. The low pressure switch will shut down the compressor when it is low on Freon. Hope this helps.

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Ac problem


jump the low or high pressure switchs this switchs are located on the a/c lines of tje compresor not run check power to the compresor if you have power maybe the compressor is gone check the a/c control pannel to and take a second opinion before expend money

Aug 04, 2012 | 2006 Kia Sedona

1 Answer

I have freon, and there are no leaks and had a air compressor put in 2 years ago but my car is blowing hot air only


There are a few things that can cause this. First off, make sure that the compressor is turning on when you turn on the AC switch. With the AC on full blast, look at the engine, locate the compressor and make sure that the center hub (the clutch) is spinning, not just the pulley around it that the belt rides on.

If the clutch is not spinning, or if it cycles on and off repeatedly, then your AC compressor is not functioning properly. This could be due to a failed compressor or to a low level of freon in the system.

If the clutch is spinning, then the next thing you should check is your freon level, get a temperature-dependent basic freon gauge, (like the one I posted in the link at the bottom) hook it up, set the outside air temperature on the gauge and then it will show you the ideal freon pressure level. What most people do not know is that having too much freon in a system will cause it to blow just as warm as an under-filled system. The freon level has to be in the "sweet spot" for it to properly work.

If your freon is at the proper level and your AC clutch is on and functioning then it could possibly be the AC switch in your instrument panel, or one of a couple of different parts in the engine compartment, but 90 percent of the time the problem will be found within the bounds of what I just listed. Good luck!

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2002 ford mustang air conditioner stopped working. How do I locate the problem?


FIRST I CHECK ALL FUSES AND RELAY.TO BLOWER MOTOR IF IT STOP BLOWING.AND CHECK FUSE TO HVAC SWITCH CONTROL.AND CHECK FUSE / RELAY TO AC COMPRESSOR.IF FUSE / RELAY GOOD POWER GETTING TO AC COMPRESOR CLUTCH COIL AND LOW PRESSURE SIDE 28 PSI AND HIGH SIDE 200 PSI. CLUTCH COIL IS OPEN.IF REFRIGERANT LEVEL LOW YOU MAY NEED MORE REFRIGERANT.YOU NEED AT LEAST 28 PSI ON LOW SIDE AND 200 - 220 PSI ON HIGH SIDE.IF ALL IS GOOD STILL NO AC PROBLEM COULD BE A FAULTY AC CLUTCH CYCLING PRESSURE SWITCH.

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5 Answers

Ac not working on a 2003 honda civic si. only has 4.8 volts at ac pressure switch, freon is good, all major components are good, fuses & relays good. when ac switch is activated the cooling fan does...


Since al components are functional then the only thing left is the wiring. And since the power isn't completely off that means that you have a bad contact. Take the center console out and check the entire wire loom starting with the relay.
You should also take a look at the oil sensor on top of the compressor - it might be faulty. Make a bridge over it and see it the ac starts.

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2002 Honda Civic A/C not working


high and low pressure swich try putting freon in it

Aug 12, 2009 | 2002 Honda Civic

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The compressor is not engaging on 96 pontiac transport van


Check wires going into it from harness.. make sure there is no break.. If not have compressor checked at autozone or advanced auto.

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try removing the plug off the low pressure switch on the accumalator plug a paper clip into the plug and turn ac on if it comes on then your low pressure switch is bad or your low on refigerant.

May 28, 2009 | 2000 Chevrolet S-10

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