One problem related to engine noise has been reported for the 2004 Jeep Wrangler. The most recently reported issues are listed below.
The contact stated car shut down at slow speeds. He owns a 2004 Jeep Wrangler unlimited. Has been having this problem since 3-05. There were 4,000 miles on the car when it first shut down. The car did not make any noise before this happened. No lights came on. The dealership could duplicate the problem. The dealership has talked to the manufacturer. The dealership put a brand new computer and a new throttle body, but the problem recurred.