1989 Chevy Blazer egr valve

1989 CHEVROLET BLAZER
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RODNEYDAVID
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Engine Mechanical problem
1989 Chevy Blazer V8 Four Wheel Drive Automatic

Should an EGR valve hold a vaccume and if not how can i test its integrity?
Aug 1, 2009 at 12:14 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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