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The evap canister, also called the purge valve, in the 2011 Jeep Grand Cherokee is situated to the left of the brake booster and master cylinder on the driver's side firewall. This canister, filled with activated charcoal, captures the emissions released by your vehicle, helping to protect the environment and ensure cleaner air inside your car. If the canister malfunctions, you may detect a fuel or rotten egg smell in the car, which is hazardous to breathe and could lead to failing an emissions test, resulting in a possible ticket. If you detect such odors or receive a trouble code, it's crucial to take your car to a repair shop promptly.
The 2011 Jeep Grand Cherokee's purge valve is located within the Evap canister, situated above the rear muffler.