nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Vacuum Check Valve, EGR > < Vacuum Amplifier, EGR|Description and Operation
Page 1
background image

Vacuum Amplifier: Testing and Inspection

1.

Disconnect hose that connects vacuum amplifier to EGR control valve and install ``T'' connector and vacuum gauge.

2.

With engine idling vacuum gauge should read 5.31-6.5 inches Hg. If reading is excessively outside range, replace amplifier.

3.

With engine speed at approximately 2000 RPM, vacuum gauge should read 11.18-12.76 inches Hg. If reading is outside range, replace amplifier.

Vacuum Check Valve, EGR > < Vacuum Amplifier, EGR|Description and Operation