I have a 2000 lexus es 300 . I put the highest grade but sometimes my check engine light comes on.Now once in a while when I do 60mph my speed doesn't switch .what could be the problem?
How many miles on the car. If you have over 100,000 one possible issue could be the O2 sensor. I would take the car to your local auto parts store and have them put it on the scanner and see what comes up. Most places will do this for free.
how do you change a 140 and few in 01 Lexus 430
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