Mechanics

EGR CHECK ENGINE LIGHT

1997 Oldsmobile Cutlass • 6 cylinder FWD Automatic •

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.

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Tsk2211
November 14, 2010.



The problem is the egr circulation system needs to be cleaned, egr pipe/hose etc.

Legitimate007
Nov 14, 2010.
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

Legitimate007
Nov 14, 2010.