No profile info need some engine info
4 or 6 cylinder carb or throttle body and any other work you have done for this problem.
CAT could be clogged could be fuel starvation or an electrical problem so see if you can put more info to your profile and post it up we'll get you started.
89 2.5 TBI, 4" RC lift, 1" Booms, SYE, Adams Driveshafts front and rear, Ford 8.8 with 4:88s, BFG 33X12.50X15, and a ton of other stuff.
AF Jeep Club Tail Number 184