2G4WF551131212997
2003 BUICK Regal
Vehicle Summary
The 2003 Buick Regal GS is a refined sedan with a powerful 3.8L supercharged V6 engine (L67). It features a V-shaped engine configuration, sequential fuel injection, and overhead valve design. This passenger car, manufactured by General Motors in Oshawa, Ontario, Canada, offers safety with front airbags for both the driver and passenger.
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2003 BUICK Regal
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Complete Specifications
Known Issues for This Vehicle
Oil leaks
Common in older vehicles, oil leaks can occur from gaskets, seals, and oil pans.
Supercharger issues
The supercharger can develop issues such as bearing wear, rotor damage, or belt problems, affecting performance.
Intake manifold gasket failure
The intake manifold gaskets can deteriorate over time, leading to coolant leaks and engine overheating.
Throttle body problems
Carbon buildup in the throttle body can lead to poor idle, stalling, and reduced performance.
Cooling system failures
Problems with the radiator, water pump, or thermostat can cause the engine to overheat.
Ignition system issues
Faulty spark plugs, ignition coils, or wiring can lead to misfires and poor engine performance.
Crankshaft position sensor failure
A failing sensor can cause intermittent stalling, no-start conditions, and poor engine performance.
Fuel injector problems
Dirty or clogged fuel injectors can lead to poor fuel economy, rough idle, and engine misfires.
Mass air flow sensor failure
A faulty MAF sensor can cause rough running, poor fuel economy, and engine stalling.
Transmission issues
While not directly an engine problem, the transmission can also suffer from issues affecting overall vehicle performance.
