Brad's Car Manuals: A 3rd party mirror of CHARM + LEMON car manuals
Home >> Ford >> 1990 >> Probe GL, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - EEC-IV >> Variable Induction Systems Check >> Intake Air Valve Diaphragms

Intake Air Valve Diaphragms

Download the full database via torrent (~1.1 TB)

With engine off, disconnect vacuum lines from both intake air valves. Apply 10 in. Hg vacuum to each intake air valves. Replace air valves if they will not hold vacuum.