Note: Recommended frequency: every 50,000 km or 24 months.
An activated carbon filter prevents harmful fuel vapors from escaping from the fuel tank into the atmosphere. Fuel vapors accumulate in the activated carbon filter (absorber) and, when the engine is running, are supplied to the engine cylinders along with air.
The most common sign of a faulty fuel vapor recovery system is a strong gasoline odor in the engine compartment on vehicles manufactured before 2001 or underneath the vehicle on vehicles manufactured since 2001. In this case, inspect the activated carbon canister.
A sign of a clogged absorber can also be a decrease in the capacity of the fuel tank due to the vacuum that occurs in the tank due to improper operation of the system.
Figure 2.39. Location of the activated carbon filter on vehicles before 2001
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On vehicles manufactured before 2001, the filter is located in the left rear corner of the engine compartment (figure 2.39).
Figure 2.40. Location of the activated carbon filter on vehicles since 2001
On vehicles produced since 2001, the filter is located on the left side under the vehicle, in front of the fuel tank (figure 2.40).
Check the activated carbon filter housing and all hoses for damage.