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Re: What's the best instrument to test an O2 sensor?
Posted to Emissions Forum on 12/23/1998 5 Replies

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Oh, I have an opinion. Frankly, I'd not use the scanner to troubleshoot an O2 when I have a lab scope. Had one today on a Ford van which failed on Nox initially. I got the EGR working again (EECIV,por... Login to read more.

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