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1999 GMC Sierra 1500
fuel system Problems
Worst 1999 Sierra 1500 fuel system Problems
Click on a problem below to read more.
- fuel gauge is erratic2
- keeps clogging fuel system and running rich1
- NHTSA: Fuel System, Gasoline3
- NHTSA: Fuel/Propulsion System2
- NHTSA: Fuel System, Gasoline: Storage: Tank Assembly1
- NHTSA: Fuel System, Gasoline: Storage: Tank Assembly: ...1
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Check out our GMC Sierra 1500 overview to see the most problematic years, worst problems and most recently reported complaints with the Sierra 1500.