MR2 L4-132 2164cc 2.2L DOHC (5S-FE) (1993)
Evaporative Emission Control Canister: Testing and Inspection
1. Remove charcoal canister.
2. Visually inspect housing for cracks or damage.
Checking Charcoal Canister
3. Using low pressure compressed air, blow into inlet pipe from fuel tank (A port) and check that air flows through other pipes without resistance.
4. Check the canister check valve by blowing air into the purge pipe inlet (B port). Air should NOT flow through other pipes.
5. If a problem is found, replace charcoal canister.