Question about 2004 Harley Davidson FXDWG - FXDWGI Dyna Wide Glide
My buddies bike has plenty of power, but at cruise speed or idle it spits back. we replaced cold air sensor and tps. didnt fix it .
Check for air leaks on manifold. I will assume to mods to engine or ECU map. Spitting can be caused by lean mixture.
Posted on Jan 01, 2014
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Posted on Jan 02, 2017
SOURCE: Stage 1 Low rpm backfire
If you are running straight pipes they might not give you the right back pressure. This can be reolved by either going back to riginal pipes or instaling a bolt into the pipes about 5 inches in to make back pressure. Another thing? Did you have the bike's electronic ignition reset after you messed with it?
Posted on Jun 21, 2009
SOURCE: How to remove idle jet?
The idle jet is located in the bottom of the car. it's the recessed one in the bottom of the body. Remove your air cleaner assembly. remove the four screws. Be careful because it will be full of gas. ( well vented area.) You'll have one jet sticking out. That's your main. right next to it is a recessed jet . That is your idle. you'll have to use a small flathead screw driver to get it out. Make sure you have god pressure on the jet to break it loose. The jet itself is brass, and you don't want to mess it up. You should probably have a 45 jet with your combo. if you've been messing with the mixture screw it should be set around 1 & 1/2 turns out from lightly seated.
Posted on Jun 27, 2009
This is caused by a lean run. Did you change pipes or the air filter to a hight flow filter? If so you would need to have the bikes ECM flashed to richen the air fuel ratio or instal a unit to do this yourself. A power commander is somethink most of the riders I know use. If none of these apply to you then you will need to check the bike for an intke leak as this can also cause a lean running engine
Posted on Jul 10, 2009
SOURCE: High Idle On Start-up.
Most fuel injected motorcycles do start up in a "fast idle" mode. Although I don't know much about fuel injection on Harleys (H-D will not tell you much about it unles you are one of their technicians), I don't think the system is equipped with an engine temp sensor. Since the crank case sensor get it's pulses from pockets cut into the outer edge of the left side flywheel half, the sensor will have oil on it.
Posted on Sep 24, 2009
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