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6 CHECK EVAP CANISTER
1. Pinch the fresh air hose.
2. Blow air into port A and check that it flows freely out of port B.
AEC630A
OK or NG
OK © GO TO 12.
NG © Replace EVAP canister.
7 CHECK BYPASS HOSE
Check bypass hoses for clogging.
OK or NG
OK © GO TO 8.
NG © Repair or replace hoses.
DTC P1491 VACUUM CUT VALVE BYPASS VALVE
Diagnostic Procedure (Cont’d)
EC-588
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