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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).