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92 SL2 DOHC failed smog test - 15mph NOx
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June 21st 04, 03:30 AM
James1549
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>Check the EGR valve for proper action. IIRC, it controls NOx.
That is my first thought also, but that should trigger the SES light.
Also I am not sure the EGR valve operates at 15 mph.
James
James1549
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