Driveability Problems Due to Internal Distributor Fault on GMC 3500 Pickup

Problem Description and Possible Solution

The distributor may develop internal faults. This can cause a rough running engine or stalling condition, the Check Engine Light may or may not illuminate. Our technicians tell us that the distributor should be overhauled or replaced to correct this concern.

Problem Data
RepairPal Verified
Average mileage: (–)
Engines affected: 7.4L V8, Gasoline
6 model years affected: 1990, 1991, 1992, 1993, more1994, 1995
7 people reported this problem
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rough idle and stalling at idle or while increasing rpms