2003 Explorer engine valve knock.

[julloajr]

Hello,

Can anyone tell me what the problem can be?

My Explorer all of a sudden started having a knocking sound. Not sure what it can be. Please advise....

 

[BrooklynBay]

Welcome to this forum! I've moved your thread into the stock 2002-2005 section. Check the oil pressure.

 

[swetrid]

What engine and how many miles?