Quote:
Originally Posted by jdlmodelt
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.
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I'll look into the MAF sensor. I think my spark plugs should be ok, I just bought my car a few weeks ago with 78k miles. It passed the SMOG a couple months ago so it could be fine. I'll probably replace them next oil change.