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

    Aug 19, 2011, 11:12 AM
    I am having a problem with my 2005 f250 superduty 6.0 power stoke
    It is cutting out while accelerating, and has A lot of black smoke from exhaust. I have changed both fuel filters and it has got worse.im 100 % sure of no fuel line problems so what else could it be? Please help!
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #2

    Aug 20, 2011, 05:02 AM
    Black smoke is a sign of engine overload, restricted air supply, or malfunctioning injector. For some reason, excess unburned fuel is being blown out the exhaust. Black smoke is usually a signal that there's too much fuel, not enough air, or injector pump timing is off. One of the most common causes of this condition is an air inlet restriction. The cause may be a dirty air filter, a collapsed intake hose, or an exhaust restriction.

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