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Home >> Toyota >> 1996 >> T100 Base, 2D Pickup, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - 3.4L >> Emission Systems & Sub-Systems >> EGR Vacuum Modulator >> Notes
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EGR Vacuum Modulator: Notes

NOTE: When testing EGR vacuum modulator, it may be necessary to monitor engine RPM by using scan tester. For scan tester connections, see IDLE SPEED & MIXTURE in ADJUSTMENTS - 3.4L article.