muriatic | Ford Explorer Forums - Serious Explorations

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    Muriatic acid to clean o2 sensors?

    I am ordering new motorcraft o2 sensors anyways, but my local Mechanic (here in Mexico) said it's a very common practice to dip the tip into some muriatic acid (which is commonly sold in hardware stores here to unclog drains). This supposedly cleans them and restores their functionality. I'm...