Car idles at 400rpm during idle in traffic?
07-12-2003, 11:31 PM
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Join Date: Aug 2002
Location: Crossville, TN
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Car idles at 400rpm during idle in traffic?
WHy does my car do this? I know the tach isnt totally accurate but when in gear my car is usually at 550ish 500 warmed up. After i sit in traffic or at a light for more than 30 or so seconds it drops like 100 rpm at idle and doesnt die out or anything but just idles real low. Is this normal. I have replaced my IAC b/c it was acting up, and got a non-ACDelco part, but does that matter? I am just a little concerned?
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