Amante 2/18/2013

2004 Ford Explorer NBX 6Cyl4.0L - Engine

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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.

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• 
  1beastlydude 2/18/2013

  check your oil!
  

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• 
  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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