Engine and Emission Control Parts Description - Activated Carbon Canister
EF & EC-377prose procedureSR20DE engine models with catalyzer only.
Activated Carbon Canister (SR20DE engine models with catalyzer only)
The carbon canister is filled with active charcoal to absorb evaporative gases produced in the fuel tank. These absorbed gases are then delivered to the intake manifold by manifold vacuum for combustion purposes.