honda Workshop Repair Guides

Honda Workshop Service and Repair Manuals

Main Relay (Computer/Fuel System) > < Engine - Air Intake Duct Screen Installation|Page 2006
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Intake Manifold Vacuum Damper: Testing and Inspection

1.

Disconnect hose from frequency valve B and connect vacuum gauge to hose.

2.

Start engine and check for vacuum with engine running at idle. Vacuum should stabilize at 5.9-9.8 inches Hg for California models or 7.1-11.0
inches Hg for all other models.

3.

If vacuum does not stabilize, or stabilizes outside of specified range, replace CVG.

Main Relay (Computer/Fuel System) > < Engine - Air Intake Duct Screen Installation|Page 2006