The Check Engine Light may illuminate due to a failed catalytic converter on Isuzu Ascender

Problem Description and Possible Solution

One or both catalytic converters may fail resulting in illumination of the Check Engine Light. Replacement of the failed catalytic converter will be necessary to correct this condition.

Problem Data
RepairPal Verified
Average mileage: (–)
Exhaust & Emissions affected: 5.3L V8
1 model year affected: 2003
1 person reported this problem