Engine Cooler weather, high idle

ggradtech

Active Member
Jun 17, 2016
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My car was idling perfectly when it was 100 degrees outside. Now that the weather has dropped quite a bit, my idle is high and takes a while to calm down. Should I do a base idle reset?
 
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Blown88GT

Founding Member
Nov 13, 1999
1,688
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Palm Beach Gardens, FL
My car was idling perfectly when it was 100 degrees outside. Now that the weather has dropped quite a bit, my idle is high and takes a while to calm down. Should I do a base idle reset?
It's taking longer to get to normal operating temperature, so the idle is supposed to be higher while it warms up.
 

ggradtech

Active Member
Jun 17, 2016
128
12
28
51
Great question..... I'm not sure actually. I haven't swapped it out since getting the car a few months ago. What temp thermostat do most guys run? Car still runs fine, I just feel the idle is a bit higher since the temp outside has dropped quite a bit. It's not the high idle when car is cold still. Idle just seems to have bumped a couple hundred RPMs.