LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 1994 >> MR2 2.2 S, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Emission Systems & Sub-Systems >> EGR Vacuum Modulator >> Turbo
April 5, 2026: LEMON Manuals is launched! Read the announcement.

EGR Vacuum Modulator: Turbo

  1. Disconnect vacuum hoses from EGR vacuum modulator. Plug one end of vacuum hose connection on EGR vacuum modulator.
  2. Apply air pressure through remaining port. Air should pass freely through air filter side of EGR vacuum modulator.
  3. Start and operate engine at specified RPM. See EGR VACUUM MODULATOR TESTING SPECIFICATIONS  table. Repeat test procedures in steps 1) and 2). Strong resistance of airflow should be felt. Replace EGR vacuum modulator if resistance is not felt. Reconnect vacuum hoses to proper locations.
scientia non olet · About LEMON Manuals