I have a stock 1999 cherekee sport, auto, 4x4, 85000 well cared for miles. I noticed a knock in the engine after I went thru a car wash. I made sure that the oil pressure and level were good. I reviewed the fan should to be sure was not vibrating, and made sure the splash sheild was not falling off. Out of frustration I went from o to 60 as hard as possible, and then a short ride on the high way. It seemed to go away.
Is there a rod issue or something bizzare I should look for, or is there an electrical device that may have got wet that may be causing this?