How to Determine if the Charcoal Canister is Clogged?

1 Answers
VanCaleb
07/29/25 3:04pm
Methods to determine if the charcoal canister is clogged include: 1. The engine stalls due to the ventilation port of the charcoal canister being blocked by foreign objects; 2. Symptoms such as poor acceleration, jerking, and unstable or fluctuating idle speed; 3. The presence of gasoline vapor or dripping fuel at the atmospheric vent of the charcoal canister indicates damage to the canister. If unsure, it is advisable to seek professional repair services. The charcoal canister is designed to store fuel vapors and contains activated carbon particles inside to absorb these vapors, preventing them from being released into the environment when the fuel tank vents. Over time, clogging may occur, which can affect the normal operation of the vehicle.
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