smog check con? posted by dialectic on February 15, 2013 at 12:30 PM
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I recently had my Z smogged. The 1st shop tried 2 times on two consecutive days and I wouldnt pass. Before the 2nd attempt I adjusted my timing and heated the cats by giving it a few hard runs and then came very close to passing.
After failing on the 2nd attempt I drove to smog shop down the street and passed by a longshot. This was was on the same day.