Brad's Car Manuals: A 3rd party mirror of CHARM + LEMON car manuals
Home >> Ford >> 1976 >> Courier Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Exhaust Gas RECIRCULATION (EGR) System >> Testing >> Vacuum Amplifier

Vacuum Amplifier

Download the full database via torrent (~1.1 TB)  |  Download Brad's custom LEMON patches
  1. Start and warm engine to normal operating temperature. Detach vacuum amplifier hose from thermo valve and connect vacuum gauge to this hose. Detach vacuum amplifier hose from carburetor.
  2. Depress accelerator pedal several times, then allow engine to return to idle. Vacuum gauge should read 2.0-2.4 in. Hg.
  3. Connect amplifier hose back to carburetor. Increase engine speed to 3500 RPM. Vacuum gauge should now read 3.54 in. Hg. If amplifier does not test as indicated, it should be replaced.
scientia non olet · About Brad's Car Manuals