EGR Function Testing - General Motors - Imports

• EGR Function Testing - General Motors - Imports
  • Test 1
    • All Models Except 1988-93 LeMans (Ported EGR Valve)
  • Test 2
    • 1988-93 LeMans (Positive Backpressure EGR Valve)
  • Test 3
    • Metro
    • Prizm
    • Tracker