M20 severe power loss in high altitudes? Bend, OR.
I was in Bend this week, and noticed that once I got near the elevation, and especially driving around at city speeds (trying, anyway) my M20 became a major putt-putt car. Any thoughts? Is this normal, or is my MAF not tuned properly/components going bad?
Again, any experience with M20 or M30 high altitude performance would be GREATLY appreciated. I do recally Shogun mentioning BMW and their chip design regarding high altitudes, being a general, "solve-all." Honestly, I think it's the MAF, but I don't know how to diagnose.
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E34 1/'89 ///M20 2.5i: Lachsilber