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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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I have noticed mine doing it on warmer days too. It did it one day last week when the temp was around 80. I was a little concerned at first but then I realized the battery was sorta low so I just assumed it was charging.
I'm assuming its a normal thing. My friend is on his second prius that uses the same powertrain and he says both his have done it from time to time.
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