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Discussion Starter #1
I have a 2016 4runner SR5 v6. It has 17k miles on it. Recently I found that when I drive at a constant speed the rpm surges from 1500 up to 3000 for no reason and then goes back to normal after several seconds. I noticed this last saturday, usually when I drive at 40-50 mph.
Any opinion on this is appreciated!
Thank you!
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