failed emissions. nox.

1992 GEO TRACKER
340,000 MILES
Avatar
KWEARNE
  • MEMBER
  • 1 POST
we have replaced 02 sensor, cat, muffler, cleaned egr, replaced tubes and hoses to egr etc. still fails, got closer to pass with cleaning egr, and other parts of the test improved too. what now.. mechanic told us to clean egr etc, and promised it would pass
Aug 15, 2012 at 5:17 PM
Advertisement
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.