2000 Buick Park Avenue check engine light

2000 BUICK PARK AVENUE
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DRODDA
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Engine Performance problem
2000 Buick Park Avenue 6 cyl Front Wheel Drive Automatic

check engine light comes at random, computer reads exhaust gas recirculation flow insufficient detected, have changed EGR valve 3 times with 3 different valves, have changed map sensor, and light still comes on at random
Apr 4, 2009 at 9:00 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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