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Re: 1993 Toyota Camry fails HC, CO marginal
Posted to Emissions Forum on 10/17/2006 1 Reply

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Much the same as they do for the OBDII vehicles, right?

The front O2 waveforms show obvious biasing, first thing I would check is the rear O2 sensor....as has been found out, it's bad. Big surprise ... Login to read more.

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