recently purchased 03 type s w/nav. 196,975 mi. very nice vehicle, with the original transmission. the problem is so slight as to be almost unnoticeable or may be a non problem and i am just imagining the rpm "fluctuation". the fluctuation occurs, or seems to occur after the car has been driven approx. one half - one mile from cold. i seem to notice or imagine that i notice a slight rpm fluctuation within ( 200 to 300 ) rpm. the car is in third gear or has just shifted into fourth at speeds between 32 and 38 miles per hour. i have researched the first 25 pages of the second gen. tl (problems and fixes) forum, tried the refined search technique and so far have not found any issue discussed with a symptom remotely similar to mine. there are no codes present, the car provides consistently acceptable economy and performance and i just want to make the car as perfect as i can make it. this nice a vehicle deserves the best. any ideas, experiences or knowledge relative to this issue would be appreciated.
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