Question about 2003 Harley Davidson FXST Softail Standard

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My 2003 1450cc fuel injected Harley Davidson softail won't idle.. Starts every time and runs fine but once you let off the throttle it dies.. please help?!?!

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John langlois

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This could be an intake leak, fuel injector leak, oil sumping issue or the IAC is not working correctly or TPS not reading correctly. It could also be a cable misalignment issue. Check oil level if lower than normal you could have a sumping issue so if you have loss of power you have a sumping issue, to check for intake leak pull air filter off and spray either soapy water at intake seals or starting fluid at seals if there is a change in idle change seals, with air filter off cycle ignition 5 or 6 times and watch to see if the injectors are leaking. After that open throttle plate and turn ignition on and watch to see if the IAC pintle is moving if not replace stepper motor.

Posted on Dec 28, 2013

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5 Related Answers

Anonymous

  • 216 Answers

SOURCE: 1998 harley davidson softail custom primary cover bolt pattern

Are u asking for the torque sequence for the outer primary cover ?

Posted on Nov 21, 2008

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DJ_MAX1369

Harley Morris

  • 119 Answers

SOURCE: fuel pump?

the fuel pump for your 2000 fuel injected road king is located in the fuel tank. you will have to remove the speedometer housing, by first removing the seat, then remove the one small screw near the seat that holds the speedometer housing in place, also remove the small screw at the front of the speedometer housing and lift the housing off the tank and disconnect the wiring that goes to the back of the speedometer. there is a large oval shaped gold in appearance plate on top of the fuel tank. this plate is what the fuel pump is mounted to.

Posted on Mar 31, 2009

goalie39

Ed

  • 479 Answers

SOURCE: 2008 HARLEY DAVIDSON FAT BOB, STARTS FINE, AFTER

if it is open loop ( O2 sensors) check the sensor condotion, connections etc.

Reload the files onto the Power Commander, insure they are the exact files for your ride, the wrong files can affect operation and gum up the O2 sensors.

Posted on Apr 13, 2009

stephensaon_

Rob Stephenson

  • 284 Answers

SOURCE: delphi or magnetti marelli fuel injection

If you look at the top of the Induction module, you'll see if it is either black ( single looking tube ) or Silver ( Looks like 2 tubes together ) Single tube is Delphi, Silver Dual tube is Magnetti .

I’m happy to assist further over the phone at https://www.6ya.com/expert/robert_5bac37c3cb991fdb

Posted on Jun 12, 2009

Anonymous

  • 150 Answers

SOURCE: harley engine wont idle

Your bike has an idle screw on the carb. looking at carb its on the right side turn to the right to bring up your idle.

Posted on Jun 27, 2009

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