Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

a/c stopped blowing cold

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Old Jul 16, 2009 | 12:44 PM
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Post a/c stopped blowing cold

i have a b18b1 swap in my 92 civc dx....and the other day my a/c stopped blowin cold and my idle went higher than usual, i was sittin at a red light when my idle jumped from 800 to 1400 and my a/c started blowin warm...wat couldve possibly happened??
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Old Jul 16, 2009 | 01:42 PM
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Default Re: a/c stopped blowing cold

Is the CEL ON?

When you push the A/C button, does the button illuminate, the condenser fan run, and the compressor clutch engage?
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Old Jul 16, 2009 | 01:47 PM
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Default Re: a/c stopped blowing cold

the cel has always been on because they took off the O2 sensor when they did the swap...and yes the light illuminates and the compressor comes on....but before when the compressor would come on my rpms would drop...it messed up yesterday and the rpms raise when the compressor comes on now
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Old Jul 16, 2009 | 01:50 PM
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Default Re: a/c stopped blowing cold

The RPM are suppose to move up about 200-300 rpm to counter the load on the engine when the A/C compressor comes on.

You might want to check that CEL and see if its related to the A/C system? I am not an expert but maybe one of the gurus can chime in?

Did you try recharging your AC?
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Old Jul 16, 2009 | 01:57 PM
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Default Re: a/c stopped blowing cold

Originally Posted by itzyaboyzeem03
the cel has always been on because they took off the O2 sensor when they did the swap...and yes the light illuminates and the compressor comes on....but before when the compressor would come on my rpms would drop...it messed up yesterday and the rpms raise when the compressor comes on now
As already mentioned, pull the CEL codes because a new one may have popped up.

Does the condenser fan also run when the A/C button is pushed?
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Old Jul 16, 2009 | 02:06 PM
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Default Re: a/c stopped blowing cold

i was going to try and recharge it today....ill let u kno how it goes
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Old Jul 16, 2009 | 02:15 PM
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Default Re: a/c stopped blowing cold

You also may not get cold A/C if the condenser fan doesn't run.
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Old Jul 16, 2009 | 02:27 PM
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Default Re: a/c stopped blowing cold

i jus took a look at it and noticed that the condenser fan isnt coming on
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Old Jul 16, 2009 | 02:49 PM
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Default Re: a/c stopped blowing cold

Originally Posted by itzyaboyzeem03
i jus took a look at it and noticed that the condenser fan isnt coming on
You can supply power directly to the condenser fan by jumping the relay (BLK/YEL to BLU/BLK). If the fan runs, then the relay is probably bad. Just first verify that the WHT wire at the relay has battery voltage with the key in ON(II).
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