2014 GMC Sierra 1500
Mileage
251,508
Service Date
1/16/2025
Services Performed
- Scanned vehcile code P0300 Random Cyl. Misfire Road tested. Found cylinder 6 ,7, and 8 misfire. Checked and cleaned grounds. Inspected coils, plugs, and wires. Smoke tested for vaccum leaks. Ran cylinder contributaion and fuel injector balance test. #6, 7, and 8 have 20-30% more leakgae then the rest. Recommended to replace all fuel injectors and re test.
Gordon J. gave our service a 5 star review on 1/16/2025