1998 Saturn SL1 Failing California Smog Test

1998 SATURN SL1
189,000 MILES • 4 CYL • 2WD • MANUAL
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CHICAGO123
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  • 1 POST
My saturn has failed the required smog test. I had to replace the Catalytic converter and have replaced the both O2 sensors. I have failed for high emission of NO. WHat other areas should i check to get the car to pass smog?
Apr 29, 2010 at 10:38 AM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Try cleaning out the EGR valve and see what happens-don't work check the air injection system
Apr 29, 2010 at 12:20 PM
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