Quote:
Originally Posted by reno82
I have the same ride, two of them, and seem to be getting better MPG's than you. I've also run above 9000 ft in Utah and didn't really feel a power loss, even when carrying two. Sounds like your assessment may be correct.
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That is interesting..because there had to be a pretty significant power loss. What altitude are you used to riding at? There are more factors invovled than just altitude above sea level..barometric pressure,temp and humidity are factors as well...so it is possible to have a DA of less than the actual altitude MSL.
MickJP..Have you tried replacing the plug and seeing if it still does it? When it sputters it is misfiring..which causes loading up....so the plug can be black if checked shorlty after sputtering..also if you check the plug after letting it idle you are only seeing the idle mixture...nothing else. If you want to see the mixture under power you must shut down the engine at that throttle setting. You could always have the T-MAP sensor checked..if it was giving an inaccurate signal then the ECM could not correctly determine the required mixture. In the absense of a mechanical problem the T-MAP and TPS sensors would be something I would check if the mixture was off.