Vacuum Amplifier: Specifications

EGR VACUUM AMPLIFIER
Vacuum gauge between the vacuum amplifier and the red hose from the throttle port, engine at normal operating temperature and at idle, vacuum should be 7 - 20 mbar (.25 - 1.0 in. Hg).
Vacuum gauge between the EGR valve and the yellow hose from the vacuum amplifier, engine at idle, gauge must read 67 - 160 mbar (1.6 - 4.5 in. Hg).