Quote:
Originally Posted by Mike689
Hello I just bought a 01' Boxster S about 2 weeks ago. I changed the oil a few days later and I drive at around 3k rpm. I'm still only getting about 16 mpg and I drive mostly on the freeway. Am I doing something wrong or is it the car? and how do I fix it? thanks!
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I live in Colorado, 6200+ft elevation, I can typically only get 91 with ethanol. A station nearby recently started offering 91 without ethanol! Yay!. I get about 28.5 hiway with 91 ethanol and 30.5 with 91 non ethanol. I'd make sure your MAF sensor is clean. Of course fresh spark plugs don't hurt if its been a long time.