LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Saturn >> 1994 >> SC2 Standard >> Repair and Diagnosis >> Engine Performance >> System >> EGR Function Testing >> EGR Function Testing >> Integrated Electronic EGR Valve - 1990
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Integrated Electronic EGR Valve - 1990

  1. Turn engine off. Connect vacuum pump to EGR valve. Apply vacuum and observe EGR valve. EGR valve should not move. If valve moves, check vent filter for restriction. Replace EGR valve if necessary.
  2. Turn ignition on and repeat step 1). When applying vacuum, EGR valve should not move. If EGR valve moves, system is malfunctioning.
scientia non olet · About LEMON Manuals