2003 Saturn L300 Problems

RepairPal has identified the most common problems with the 2003 Saturn L300 as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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6
Known Problems

Many electrical problems can be caused by a failing Body Control Module or BCM. Before replacing, the system should be properly diagnosed to verify there are no other issues, such as electrical shorts or other failing modules. Remedying the condition requires replacement and programming of the Body Control Module.

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

The ignition module or an ignition coil may fail causing the engine to misfire which can cause the Check Engine Light to illuminate or begin flashing.

A burning smell may develop due to an oil leak form one or both valve cover gaskets. Resealing the valve cover will generally correct this concern. However, the valve covers should be inspected and replaced if damaged.

GM recommends replacing the engine coolant at 100,000 miles; however, our technicians tell us that the coolant may become contaminated and require a complete cooling system flush every 60,000 to 70,000 miles.

Brake fluid can become dirty and may cause problems in the brake system; it should be flushed every 60,000 miles.