toyota Workshop Repair Guides

Toyota Corolla Sedan L4-1587cc DOHC Repair Manuals

Vacuum Delay Valve, EGR > < EGR Valve|Locations|Page 1112
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Vacuum Check Valve: Testing and Inspection

1.

Ensure that air flows toward vacuum source side of valve but does not flow in reverse direction.

2.

If valve fails to perform properly, replace valve.

Vacuum Delay Valve, EGR > < EGR Valve|Locations|Page 1112