A canister may leak due to a variety of factors including wear and tear on seals or gaskets, physical damage such as cracks or punctures, or improper handling and storage. Additionally, exposure to extreme temperatures or chemicals can degrade materials over time, leading to leaks. Corrosion and pressure buildup within the canister can also contribute to failure. Regular maintenance and proper usage can help prevent leaks.
It means EVAP system Gross (large) leak. could be a gas cap not tight, purge valve worn out in vapor canister or vacuum leak somewhere in the lines to canister.
Fuel leak? Charcoal canister?
There are pressurised gases in the canister. The heat causes the canister to explode.
A leak.
Fuel leak? Defective carbon canister?
canister vent or purge valve malfuction vacuum leak or sticking vlave
It's a leak in your evaporative emission system. Causes: *Loose or missing fuel cap. *Evap canister broke, hose cracked or not connected. *Purge or vent solenoid defective
replace the carbon canister
Fuel leak at hose or fitting Carbon canister is exhausted
Overfilling the fuel tank with gas could be a reason.
Broken or split hose Radiator leak heater core leak
It's a leak in your evap system. Causes: *Loose or missing fuel cap. *Evap canister broke, hose cracked or not connected. *Purge or vent solenoid defective *Vacuum leak at engine This is what a diagnostic test told me about my 2003 D. Caravan with the same po456 code.