Egr check engine light

1997 OLDSMOBILE CUTLASS
6 CYL • FWD • AUTOMATIC
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TSK2211
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I have a 97 olds cutlass supreme with a check engine light on for egr flow insufficient flow. Put a new erg valve on light came back on. What could be the problem.

Nov 14, 2010 at 12:12 AM
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LEGITIMATE007
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the problem is the egr circulation system needs to be cleaned, egr pipe/hose etc.
Nov 14, 2010 at 12:16 AM
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LEGITIMATE007
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the egr circulatory system needs to be cleaned, there is a carbon buildup . the egr pipe/hose needs cleaning ,also where it goes into the manifold, will need cleaning, thats how its being restricted
Nov 14, 2010 at 12:19 AM
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