[Chevy_Country]

I've noticed lately with the colder months, and running rear defrost and heated seats and heater for blower that when I seem to pull or draw a lot of electrical demand at one point, the RPMs actually drop from my idle of almost 600-800 RPMs to almost as low as 400 and its real rough and louder than my normal idle. I'm not anything of an auto mechanic handyman, but with seats, rear and front defrosts on, when I go to use window up and down that they move slow and the idle becomes real rough


2011 Chevy Cruze LTZ 1.4L Turbo

 

[Chevy_Country]

Does this occur only when you are warming up at the start of your drive or just anytime you are driving with all of those components running?

Anytime I idle, I notice a rough idle but no significant drop in Rpms when I have a large load on the electrical. So I can start the car, drive a little bit then park and idle and same thing.


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[Chevy_Country]

Also, every cold New England morning I warm the car up or at least 5-10 mins before shifting it. This happens whether I'm idling off a start or idling after driving a bit but doesn't seem to bottom any Rpms when I'm driving or at a red light I should say, just a rough idle then but without any electrical load my car is smooth.


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