not passing smog..??
#1
not passing smog..??
So i took my truck yesterday for a smog check and it passed everything except for the NOX. the guy there recommended that i should clean out the EGR valve. Any recommendations before i do that and not pass again?
Thread
Thread Starter
Forum
Replies
Last Post
ChevyFamily
2nd Generation S-series (1995-2005) Tech
2
05-19-2011 08:43 PM
ohsofly
1st Generation S-series (1983-1994) Tech
18
02-13-2010 02:21 AM
agent305
2nd Generation S-series (1995-2005) Tech
12
08-14-2007 02:33 PM