Driveability Problems Due to Internal Distributor Fault on GMC Sierra 1500

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.

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Average mileage: 37,500 (25,000–50,000)
Engines affected: 4.3L V6, 4.8L V8, 5.3L V8
3 model years affected: 2007, 2008, 2009
5 people reported this problem
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2007 GMC Sierra 1500 - 4.8L V8 50,000 mi,
Engine stalls often when taking corners. How do you spell junk ( GMC ).