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Re: Replaced Upstream O2 sensor and still failed smog
Posted to Emissions Forum on 2/15/2009 11 Replies

All that you did was to cover up a problem with a new cat. Now I wonder how long this cat is going to last, and what is going to be done when the light comes back on? How many times will this cat be warrantied before the real problem is fixed? Login to read more.

11 Replies Received (View Replies)