Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Toyota >> 1997 >> T100 Base, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls - System/Component Tests - 3.4L) >> Emission Systems & Sub-Systems >> EGR Vacuum Modulator >> Notes

EGR Vacuum Modulator: Notes

WARNING: This page is about a different variant/trim than selected.
NOTE: When testing EGR vacuum modulator, it may be necessary to monitor engine RPM by using scan tool. For scan tool connections, see IDLE SPEED & MIXTURE in ADJUSTMENTS - 3.4L article.