At 05:30 PM 8/11/2010, Mike \"Rocket J Squirrel\" wrote...
>My mechanic dude suggested the the cause of the engine's periodic but
>brief loss of power during grade climbs last week might be a dirty
>spot
>on the AFM track and suggested gently cleaning it with a pencil
>eraser.

An eraser acts as a mild abrasive, and will only cause more wear. I'd
use a q-tip with some isopropyl alcohol to gently clean, then dry, it.