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    baddog2369's Avatar
    baddog2369 Posts: 2, Reputation: 1
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    #1

    May 29, 2013, 06:52 PM
    Sucking air
    I have a 01 Heritage Softail. Last week I ran it till the low fuel light came on. After filling up I started to notice that it wasn't running right. Its been backfiring both through the intake and the exhaust. I have also noticed that tge fuel mileage has droped by 20 miles per tank. There is also a sucking noise from the frount.

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    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #2

    May 30, 2013, 06:17 AM
    Check your vacuum lines.
    The Vacuum leak can sometimes be found with starting fluid. RPM's will increase when sprayed at the leak.
    baddog2369's Avatar
    baddog2369 Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Jun 5, 2013, 06:20 PM
    What is it??
    I have a 01 Heritage Softail, I thought I had a vacuum leak. I don't. It still sounds like it but I checked all the lines. I have paid closer attention to what its doing. It still back fires and cackles a lot but only when I get below a half tank. I have tried to put 92 octane gas in and injector cleaner, but still no change. I have sprayed eather around the gas lines, no change. I have ruled out electronics do to the problem is only there at a half tank.
    What next?
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #4

    Jun 6, 2013, 06:36 AM
    Clogged fuel lines/filter?
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