Thread: 97 LeSabre failed smog
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Old 02-09-2007, 03:55 PM
maxwedge maxwedge is offline
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Re: 97 LeSabre failed smog
NO2 is caused more commonly by a bad egr system, either it is not working which would usually set a code or the internal passages are clogged. Very high engine temps are a less frequent cause.
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