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    fschuls's Avatar
    fschuls Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Apr 25, 2008, 05:54 PM
    Lawn mower engine with automatic throttle surges and runs slow
    What causes a Briggs and Stratton engine with an automatic throtte control to run too slow and surge?
    twinkiedooter's Avatar
    twinkiedooter Posts: 12,172, Reputation: 1054
    Uber Member
    		  
    #2

    Apr 26, 2008, 07:35 AM
    Something must be clogging the fuel line or the air cleaner. Try fresh gas and clean out the air cleaner and exhaust.
    MOWERMAN2468's Avatar
    MOWERMAN2468 Posts: 3,214, Reputation: 243
    Ultra Member
    		  
    #3

    Apr 26, 2008, 08:45 AM
    Check the air filter, and fuel for contaimination.
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