[90Xjay]

Originally Posted by Bounty__Hunter

It woudn't hurt to tune-up the entire ignition on a jeep which you're not sure of the maintenance history.

For the 2.5L and 4.0L: www.performancedistributors.com/jeep4.0.htm

If it has more than 100k miles, the timing chain slack can cause it to crank awhile before starting.