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Failed Inspection - High NOx 700

posted by  balladish on  Tue Feb 24 09:38 CST 2004
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My '89 740 Turbo Wagon, 116K miles, just failed inspection because of too high NOx values. Mine were 5.38, allowed limit: 2.00 here in New York State. The garage owner told me it could either be the Oxygen sensor, or the catalyctic converter. Assuming mine are original parts, which one is most likely the culprit? Anything that could cause the problem?

TIA.






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New Failed Inspection - High NOx [700]
posted by  balladish  on Tue Feb 24 09:38 CST 2004 >


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