Check engine light on

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I have a 1997 Olds Cutlass Supreme with a 3100 V6; the check engine light is on; I plugged in a code reader and it reads "P0401", EGR, restricted flow". What causes that code to set? The car runs fine it seems. Thanks for your help.

GM Driver in Lynn MA

Jun 12, 2010

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RepairPal Certified shops can diagnose and repair your 1997 Oldsmobile Cutlass Supreme. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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Tuffy Tire & Auto Service Center - Grandview

4.7

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Open

Closes 5:00 PM

Call