Auto Systems and Repair: Charcoal Canister

Symptoms of Wear or Failure

  • Check Engine Light may illuminate
  • Fuel tank may be hard to fill
  • Fuel smell may be noted

Related Repair Advice

  • Evaporative system diagnosis can be difficult and trouble codes can be triggered by sensors and components other than the charcoal canister
  • It is not uncommon for bits of charcoal to separate from the charcoal brick inside the canister and cause the canister purge valve to stick in the open or closed position

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