Question about 2001 Harley Davidson FXSTD - FXSTDI Deuce

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I have a 2001 harley deuce. The engine light stays on and its seems like the throttle is stuck, but its not.Stays running fast wont idle down

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The throttle positioning sensor is at fault. Two button head screws hold it in place at the throttle body. This part has a built in reostat that has very thin windings and a lever rides on it. As you increase the throttle this lever will move up. In time the windings get a carbon build up and eventually burn causing the throttle to become erratic such as in your case. Simp;y buy a new one and install it and it will be running like it should be

Posted on May 02, 2010

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Posted on Jan 02, 2017

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96 Harley Davidson 1200 sportster won't idle down staying stuck half throttle


Hi, Harris and the usual suspects are:
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http://www.carlsalter.com/pdfs/Harley%20Davidson-1998%20Service%20Manual.pdf
http://partsfinder.onlinemicrofiche.com/ronnies/showmodel.asp?make=hdmc
http://www.harley-davidson.com/content/h-d/en_US/home/owners/maintain-your-bike/owners-manual.html
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1 Answer

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When I first start my 99 electra glide classic, it idles at about 1k. If I then blip the throttle, the idle drops to about 400 rpm. It remains there until I ride for about 20 minutes. Then it stays at...


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1 Answer

Starts up like normal but jumps up to about 3 grand on the tach then falls down to 1.5 and stays there, engine surges at this idle. Runs good on the road till u have to stop and surges(jumps a little)....


P1294 indicates a vacuum problem or a idle motor control problem. Since you already checked for vacuum leak then the iac on the side of the throttle body will need to be removed and cleaned. The best thing to do is remove the whole throttle body so it can be cleaned as well - both with carb cleaner. The idle solenoid (motor) on side of throttle body should be removed to do a through cleaning. All of the black needs to be removed from inside both before remounting to the intake. Make sure all connections and bolts are tight before starting engine.

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either a vacuum leak or an idle air control valve problem most likely.the iac is on the side of the throttle body.cylinder shaped with a small harness.

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