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Engine staying at high RPM

10363 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'm not a tuner nor a professional mechanic and fairly new to owning a CT200H. Was it doing this before you installed the CAI? If you're unsure and no one has an answer. If you haven't gotten the issue resolve yet. What you can do is put the stock intake back on.
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