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How to Fix a Blocked Catalytic Converter

Problems with catalytic converters are one of the most common causes of check engine lights, but they’re extremely expensive ...
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Can You Clean A Car's O2 Sensor? (And Why You Might Need To)

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...