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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
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Check out our GMC Sierra 2500 overview to see the most problematic years, worst problems and most recently reported complaints with the Sierra 2500.