Thread: 1997 Lumina 3.1 EGR Code 0401
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Old 04-26-2005, 12:40 AM   #4
cadgear
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Re: 1997 Lumina 3.1 EGR Code 0401
Ensure the passage itself from the valve to the manifold is not plugged with carbon. What sort of mileage do you have on the car now?

Some carb cleaner (brake clean works too) and a guitar/piano/bass string will work wonders on that passage.
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