Car dies when i turn on the a/c

bdazzgt

I had to jerk off the cable to get it to stop.
Dec 27, 2005
328
0
16
Springfield MO
so recently i had to put a new evaporator in the dash to get the air conditioning to work. Anyways the air works great at highway speeds, but driving through town it idles around 5-600 rpms and if im slowing down it kills the motor i know something should kick the idle up when the ac is turned on, how do i diagnose this and fix it, other than when the a/c is on the car runs great no surge or anything...thanks guys
 
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See the "Surging Idle Checklist for help with all your idle/stall problems.

The quick and easy way to dump the codes is in there too, and all you need to do it is a paper clip! The first two posts contain all the updates to the fixes. At last count there were 24 possible causes and fixes for surging idle/stall problems. I continue to update it as more people post fixes or ask questions.