Question about Harley Davidson Harley-Davidson Motorcycle Desktop Telephone

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2003 F.I. Softail

When cold runs rough, and no reponse on throttle. Hot, runs perfect.

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Tempature sensor most likely but mapp sensor poss also $25 $30 apeice change both

Posted on Dec 30, 2009

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Thats how they run cold, you have to let it warm up a little. Harley EFI is not like a car. They probably need 5 miles of normal warm up before putting them through the paces.

Posted on Aug 10, 2009

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Sounds like a mapping issue with whatever f.i. add on you have. could also be the pintle sticking on the throttle body. take the air cleaner off, look at the inside of the throttle body. at the top there will be a little hole. that's where the pintle is. it retracts and expands for cold starting and hot idle as well. if you turn the bike on and off it should cycle. ( extend and retract ) if it doesn't then the pintle needs to be replaced.

Posted on Jun 11, 2009

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