1992 Geo Tracker Repair Question
Asked on August 15, 2012
Failed emissions. nox.
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
Asked by kwearneAnswer
Replied on August 15, 2012
Was EGR tested to be operational? it is key to lower NOx may consider replacement
