Thread: oxygen sense reset
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Old 06-28-2004, 07:33 PM
autozen autozen is offline
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Join Date: Jun 2001
Location: Northern Calif. (Fairfield Area)
Posts: 2,225
Michael,

What part barely passed? If you run your mixture too lean, hydrocarbons will go up. Also If the EGR tube is plugged, you will fail NOX. If you run anything less than premium gas in that model NOX will increase. EGR has to function on these cars. THe air pump is no help, because it only comes on at odd times like for 120 seconds at 40*c.

Peter
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