2002 Harley-David Ultra Classic sputters at 1/2 tank gas.
What would cause my 2002 Harley-Davidson Ultra Classic to start sputtering and throttle body backfiring after using 1/2 of a full tank of fuel? I refuel to full and it runs fine.
731879
1个答案
声誉积分: 13
2
Don’t know if this is true for HD, there has to be a vent in the top of the fuel tank to let air in as the fuel level goes down. If this vent gets blocked, the area above the fuel forms a partial vacuum. This restricts the fuel supply to the engine.
Test , when you experience this problem, open and close the fuel cap and if there is a blockage, the engine will run normally.
这个答案有帮助吗？
得分
0
Wasn't the case in my situation but thanks for the idea.
Ruling out water contamination (water settles and heavier than gasoline), is it possible for restriction in the fuel line and/or shutoff valve (if they're still used)? Ethanol blends attract moisture and can cause premature corrosion in fuel lines and metals. Fuel may also corrode carburetor parts.
由 F Dryer 完成的