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EGR Function Testing - General Motors - Imports
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EGR Function Testing - General Motors - Imports
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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