1996 Buick Century egr system

1996 BUICK CENTURY
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HERBERTW777
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  • 1 POST
Engine Performance problem
1996 Buick Century 6 cyl Front Wheel Drive Automatic
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code p0401 changed egr valve and cleaned inlet pipe whay can i do fix this problem

thanks
Aug 3, 2008 at 3:47 PM
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BMRFIXIT
  • ✓Experienced Mechanic
  • 19,053 POSTS
Check for exhaust leak
remove EGR and inspect intake manifold and clean as needed
very common to see the passages full of carbon
remove throttle body and check
Aug 7, 2008 at 11:34 PM
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