Ford Crown Victoria Catalytic Converter

Ford Crown Vic & P71/P7B catalytic converters and O2 sensor replacement

Ford Crown Victoria Catalytic Converter

If your check engine light is lit and the code is P0420, you can ignore it only so long before you'll want to change out the catalytic converters - and while you're doing that you may as well change the O2 sensors since it's much easier to do with the cats off the car. cat pipe right (passenger)...

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