My car is the IS 3800 series and it has an rpm issue. When I drive the gauge goes from 2000 to 5000 rpm. This causes a kick in the car. It clears up after it warms up but still jumps. Also, when car is cold I have a single misfire when warming it up. I have done everything for preventive maintenance, spark plugs, etc. Do you have a solution for this problem? Thanks, Shane
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Sunday, November 5th, 2017 AT 1:09 PM