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In a 2009 Chevy Silverado, the EVAP canister, also known as the purge valve, is situated towards the left side of the driver firewall, close to the brake booster and master cylinder. The canister contains charcoal that helps to capture harmful emissions from your car, making it more environmentally friendly and safer for you as a passenger. If the canister malfunctions, you may detect a fuel odor or a sulfur-like smell, which can be harmful to breathe and could cause your vehicle to fail an emissions test, resulting in possible fines. If you experience these issues or receive an error code, it's essential to bring your car to a professional mechanic for evaluation and repairs.
The 2009 Chevy Silverado's evap vent solenoid can be found mounted on the evap canister located near the fuel tank.