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Re: NOx Failure, O2 Sensor , and the Vantage
Posted to Emissions Forum on 12/19/2006 12 Replies

Hi Kelly,

[...trimmed text...]

Depends;-)

It really does depend on what I'm working on. In most cases something around the 4-5% swing (peak to peak) of STFT is what I would consider normal for most late OBDII vehicles... Login to read more.

12 Replies Received (View Replies)