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Early Corolla NOx failure
Posted to Emissions Forum on 2/26/2004 59 Replies

I'm posting this in hopes that it may help someone else in the future

Let me preface this post by saying that I have had an on going problem curing NOx failures on 1989 – 1992 Federal emissions (non-EGR), Toyota Corollas. Judging from archive searches of bot... Login to read more.

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