LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

98 ls Random increase in RPM

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Old 03-21-11, 05:02 PM
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dada786
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Default 98 ls Random increase in RPM

Hey guys,

I was driving on the highway yesterday at the speed I drive every day, around 70-80 mph, my rpm's usually rise to about 2500 with a steady foot on the accelerator, for some reason yesterday the car was really pushing it rising to 3000+ , I know for a fact this isn't normal cuz I know how my car drives... It just seemed as if I was really straining the engine... After driving today, it was back to the normal 2000-2500 rpm... What up with that? Please provide an answer cuz this doesn't seem right...thanks
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