Stephen Tricamo Posted August 5, 2022 Share Posted August 5, 2022 My 2015 Lexus RX350 gets very poor mileage that changes with air temperature. The lower the temperature, the worse the mileage. The range goes from about 10 mpg to 16 mpg. I bought the pre-owned car in 2018 with 32000 miles on the odometer. The gas mileage initially ranged from 18 to 21 mpg. The gas mileage began to deteriorate about 1 year ago. The engine light is not on. Any ideas about what the problem may be? Quote Link to comment Share on other sites More sharing options...
Lexigrl Posted August 5, 2022 Share Posted August 5, 2022 Maybe this will help https://youtu.be/_8KvLHrBkf0 Quote Link to comment Share on other sites More sharing options...
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