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Re: is 3500ppm nox precat on a 97 cavalier too high?
Posted to Emissions Forum on 4/2/2004 68 Replies

OK, just got back to reading forums...busy week at work.

So...what is the practical explanation then for why the catalyst change allowed Aarons vehicle to PASS an ASM test, when the cat that was removed showed as GOOD according to your FTP test? If the ASM t... Login to read more.

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