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Amante
Amante 2/18/2013
2004 Ford Explorer NBX 6Cyl4.0L - Engine
Why would the engine be making a continuous knocking sound after I start it?
After I start my truck there's a continuous knocking sound in the engine.
2 Answers
  • 1beastlydude
    1beastlydude 2/18/2013
    check your oil!
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  • Jason
    Jason 2/19/2013
    If the engine knocks, a worn rod bearing could be the cause (rod knock). A new engine or short block may be needed.
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