2003 Oldsmobile Alero
Worst 2003 Alero engine Problems
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- engine turns over but won't start10
- engine stalls/dies while driving9
- leaking from head and intake manifold gaskets7
- coolant leaking into engine4
- blown head gasket1
- hi idle but no power1
- leaking oil spraying engine1
- NHTSA: Engine15
- NHTSA: Vehicle Speed Control8
- NHTSA: Engine And Engine Cooling5
- NHTSA: Vehicle Speed Control: Accelerator Pedal4
- NHTSA: Engine And Engine Cooling: Engine2
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Compare Oldsmobile Alero Model Years
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Check out our Oldsmobile Alero overview to see the most problematic years, worst problems and most recently reported complaints with the Alero.