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Re: 2003 Alero P0420 Gathered Data
Posted to Technical Theory Forum on 5/8/2007 2 Replies

[...trimmed text...]

There isn't anything to hold me to. It appears that way that's all. On your data it is hard to judge because at idle you had kind of a large RPM swing (about 50). Whether that was causing the trim flu... Login to read more.

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