2003 GMC Sierra 2500
Engine Problems
2003 GMC Sierra 2500 Engine Problems
Click on a problem below to read more.
- Check Engine Light On
- Oil Lines Leaking
- Vehicle Enters Limp Mode Randomly
- Won't Start Unless Air Is Bled Off
- NHTSA: Engine
- NHTSA: Vehicle Speed Control
- NHTSA: Engine And Engine Cooling
Loading ...
one sec.
Stay Up to Date
Compare GMC Sierra 2500 Model Years
Curious how the 2003 Sierra 2500 compares to other years?
Check out our GMC Sierra 2500 overview to see the most problematic years, worst problems and most recently reported complaints with the Sierra 2500.
