Question about 2003 Harley Davidson FLHTC Electra Glide Classic

1 Answer

Harley wanting to stall at low idel and misfiring ,engin light flashes on and off runs fine on freeway

Mostley stock only after market pipes

Posted by Anonymous on

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  • Harley Davidson Master
  • 40,862 Answers

Hi Anonymous, and the usual suspects are:
1. Spark plugs in bad condition or partially fouled.
2. Spark plug cables in bad condition or leaking.
3. Spark plug gap to close or to wide.
4. Faulty ignition coil, module and or sensor.
5. Battery nearly discharged.
6. Damaged wire or loose connections at battery terminals,
ignition coil, or plug between ignition sensor and module.
7. Intermittent short circuit due to damaged wire insulation.
8. Water or dirt in fuel system, carburetor or filter.
9. Fuel tank vent system plugged or carburetor vent line closed off.
10. Carburetor controls misadjusted.
11. Damaged carburetor.
12. Loose or dirty ignition module connector at crankcase.
13. Faulty MAP, CKP, and or CMP sensors.
14. Incorrect valve timing.
15. Weak or broken valve springs.
16. Damage intake or exhaust vale.
For a prime suspect please visit website below and good luck:
Big Twin Carb EFI DTC Intructions codes Harley Davidson Forums Harley...

Posted on May 29, 2015

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6ya6ya
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Posted on Jan 02, 2017

  • 300 Answers

SOURCE: 2007 Harley Davidson Heritage 96 motor

Does this happen only when lights are on (driving at night)? Possible charging fault if so. Check alternator conections at front left crankcase (primary side) and loose bolts on rectifier/regulator unit.

Posted on Feb 27, 2009

Thermo King
  • 593 Answers

SOURCE: I am doing a custom harley project,bobbed fender..

This is a standard set up for (old school) lights on about any car from the 50's 60's 70's see how they are wired. . Look at a wiring diagram for say and old ford Mustang The old style bulbs like a 1157 (I think) use a dual element. The base is the ground, the brighter element is the turn/brake and the dull filament is your run. To use one bulb here to do both turn and brake, your turn has to be the predominate order, in other words the turn will have to over ride the brake light or turn it off. So the only new school thing you might need will be a Diode on your hot (brake) wire to the bulb. So you will have two wires to one terminal of the bulb. The brake circuit will need a diode -|> and it will also connect to the same term as the turn circuit. The run will be alone circuit on the bulb as the ground wire. 7ce0811.gif

Posted on Jan 02, 2010

Testimonial: "thanks for the input... i did finally figure it out, diodes from radio shack cheap not easy but got it working the way i wanted to"

  • 403 Answers

SOURCE: 2004 sportster changed exhaust went from very

you need to put the stock jets back in, be very carefull not to nick anything in there

Posted on Mar 06, 2011

  • 2418 Answers

SOURCE: what the best way to remove the baffles in stock

OK, one word of warning, with the baffles out you may have problems with bogging of flat spots in your acceleration. Look for a rivet on the back side may be two per pipe. Drill out or grind off the rivets, you may need a slide hammer if they are hard to come out. grab the baffles with some pliers and try to pull straight out, try taping the pliers with a hammer.

Posted on Mar 06, 2011

  • 4 Answers

SOURCE: What is best way to make Harley Dyna Super glide with stock pipes to sound louder without hindering performance?

change the header pipe and re do the muffler tip

Posted on Jul 19, 2012

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