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Engine staying at high RPM

10364 Views 11 Replies 6 Participants Last post by  cooperjunkie
Hey all,
I have a 2013 Lexus CT 200h and I've noticed that at times, mostly when driving in sports mode, that the engine will stay at a high RPM even when not accelerating then it will very slowly come down to about 1000 RPM:confused:. I live in Vegas, where we usually have daily temperatures about 100 degrees Fahrenheit. I don't know if the heat has something to do with it or what. I do have the Lexus CT Injen CAI installed if that would affect anything? Im curious if anyone else has the same observations.
Thank you
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Have you kept an eye on your battery charge level when this was happening? It may be your engine charging the battery, especially if you're running the A/C and the battery cooling system is working overtime.
I can't imagine that it is. Virtually all manufacturers test their cars in the extremest temp ranges, more than what virtually anyone would be in.
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