Gross Polluter
rjleee1
09-15-2005, 04:16 PM
:grinyes: I have a 1997 aspire that is over the nox at 15 mph by a couple hundred PPM any answers out there ? any advice ?
MagicRat
09-15-2005, 08:18 PM
Rducing NOX is the EGR valve's job. I would start there. Look for a blocked, stuck or non-functioning EGR valve.
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