620i runs great when cold - John Deere Gator Forums
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post #1 of 3 Old 02-01-2013, 11:54 AM Thread Starter
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620i runs great when cold

620i runs great when we first start it up. When the gator warms up it starts to loose power and back fires. It will idle all day. Sometimes if we shut it off and start it again it runs good for awhile and then looses power ect. I put new plugs in changed fuel filter and put fresh gas in it. Same problem. Any ideas?
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post #2 of 3 Old 02-04-2013, 04:22 PM
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welcome to the forum

BTW its better to ask questions in the gater areas
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post #3 of 3 Old 02-05-2013, 01:43 PM
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Sounds like you may have a ignition coil getting hot causing low ignition fire. See if the plugs are fouling when it does it.
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