Injection system may need adjustment on GMC Suburban 1500

Problem Description and Possible Solution
The injection system may need to be adjusted more frequently than recommended.
Problem Data
RepairPal Verified
Average mileage: (–)
Engine affected: 6.2L V8 Diesel
2 model years affected: 1990, 1991
2 people reported this problem
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews