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engine knocking

  1. F

    Engine Knock/Rattle - 2020 Explorer ST

    I purchased a 2020 Explorer ST with about 43k Miles last week. Its a CPO lease return. I drove it for 3 days maybe a little over 100 miles total. On the 4th day while driving on highway the engine started to make a knocking noise. I pulled off the highway to find a parking lot and noticed the...
  2. D

    My 1997 explorer sound's like a diesel engine rattling. What could be the possible cause?

    Has anyone heard of a 4.0 sohc oil pump screen getting plugged with sludge. Causing the engine rattling loudly all the time?
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