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2010 Chevrolet Cobalt SS Problems

RepairPal has identified the most common problems with the 2010 Chevrolet Cobalt SS based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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5
Known Problems

The 2008-2010 Chevrolet Cobalt SS has known issues with the EVAP system, a part of your emission control system.

The EVAP canister vent valve or valve solenoid wiring may fail causing illumination of the check engine light, setting code P0446, and problems filling the tank with fuel.

To correct the issue, the EVAP canister vent valve, solenoid, and wiring must be inspected. The most common fix is replacement of the wiring connector or replacement of the vent valve assembly.

A Loose or worn gas cap may cause Check Engine Light to illuminate.

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.

The automatic transmission shifter in floor console may fail causing the key to become stuck in the ignition lock cylinder.