Protege DX L4-1.6L DOHC (2000)
Variable Induction Check Valve: Testing and Inspection
VARIABLE TUMBLE CONTROL SYSTEM (VTCS) CHECK VALVE (ONE-WAY) INSPECTION [ZM]
1. Remove the VTCS check valve (one-way).
2. Blow through port A and verify that the air flows from port B.
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If not as specified, replace the VTCS check valve (one-way).
3. Blow through port B and verify that the air does not flow from port A.
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If not as specified, replace the VTCS check valve (one-way).
