EGR Function Testing - General Motors Cars

• EGR Function Testing - General Motors Cars
  • Test 1
    • Ported EGR Valve
  • Test 2
    • Negative Backpressure EGR Valve
  • Test 3
    • Positive Backpressure EGR Valve
  • Test 4
    • 1983-84 Pulse-Width Modulated EGR Valve
  • Test 5
    • 1985 Pulse-Width Modulated EGR Valve
  • Test 6
    • 1986 Pulse-Width Modulated EGR Valve
  • Test 7
    • 1987 Pulse-Width Modulated EGR Valve
  • Test 8
    • 1988 Pulse-Width Modulated EGR Valve
  • Test 9
    • Notes
    • 1988-1992 3.1L, 3.4L & 3.8L (Digital EGR Valve)
  • Test 10
    • 1990-91 - 2.3L "W" Body VIN D (Digital EGR Valve)
  • Test 11
    • 1988 2.8L "W" Body (Integrated Electronic EGR Valve)
  • Test 12
    • Integrated Electronic EGR Valve
  • Test 13
    • 4.5L
    • 4.6L
  • Test 14
    • 3.1L, 3.4L & 3.8L (Digital EGR Valve)
  • Test 15
    • Linear EGR Valve
  • Test 16
    • Metro
  • Test 17