Ac idle question
May 25th, 2020, 8:38 AM
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Ac idle question
Hi everyone, new to the forum. I have a 93 Chevy 1500 5.7 with manual transmission. Truck runs and idles great at 750 rpm but when I turn on the AC my idle will drop down to 500 rpm. Is this normal or should it maintain my 750 rpm? This sounds like something isn't right. Thanks in advance.
May 25th, 2020, 8:39 AM
#2
CF Monarch
Hi everyone, new to the forum. I have a 93 Chevy 1500 5.7 with manual transmission. Truck runs and idles great at 750 rpm but when I turn on the AC my idle will drop down to 500 rpm. Is this normal or should it maintain my 750 rpm? This sounds like something isn't right. Thanks in advance.
May 25th, 2020, 10:50 AM
#4
what type of fuel injection system does it use? throttle body, spider, multiport? idle speed is controlled differently depending on the build. if you have an iac valve...it should open more when the ac is turned on
May 25th, 2020, 11:08 AM
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