05 & 06 350es read anywhere from 0-20 mph(depending on rpm)when standing still. Also having problems with idling. backfiring and performance in general. Most of the forum agrees that the idling is a bad fuel(dirty carb) issue, but I'm wondering if the 2 issues are not related somehow. Both machines have less than 300 miles and are used only 4-5 weekends/year. Haven't heard of anyone else with the speedometer issues.
Speedometer reads speed standing still
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It is possible that it could be some kind of electrical problem. Is your battery charged to full voltage? That would be the first thing that I would check. I don't know if the speed sensor could be bad and cause that problem or not.
stupid question....how do I determine if my battery is fully charged?
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Check it with a voltmeter. It should read at least 12 volts with the ATV not running. I would also check it with the ATV running while I was checking it. It should go above 12 volts when running and it should reach around 14 volts at a certain engine speed.
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No, that's it.
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