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    randyadams's Avatar
    randyadams Posts: 4, Reputation: 1
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    #1

    Oct 6, 2010, 08:38 AM
    2003 F-350 leaking fuel and running rough.
    Fuel is leaking in engine area. Hard to start and runs rough most of the time. Idles high and sometimes surges when stopped at stop light. Any ideas? Thanks.
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #2

    Oct 6, 2010, 08:43 AM

    . Check the under hood fuel filter.

    . Check fuel lines--use flare wrenches, to ensure they're tight.

    . Check injectors.

    Take a look at this link:

    https://www.askmehelpdesk.com/cars-t...ml#post1415281
    randyadams's Avatar
    randyadams Posts: 4, Reputation: 1
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    #3

    Oct 6, 2010, 09:03 AM
    Would the fuel leakage cause the engine to run rough and surge?
    randyadams's Avatar
    randyadams Posts: 4, Reputation: 1
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    #4

    Oct 6, 2010, 09:08 AM
    2003 F-350 6.0
    Don't know if frame mounted fuel filter has ever been changed and how do I purge the filters?
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #5

    Oct 6, 2010, 09:47 AM

    Yes.
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #6

    Oct 6, 2010, 09:50 AM

    On some PSDs, you open the purge valve beneath the under hood fuel filter.
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