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 ...

We earn commissions from purchases you make using links in our articles. Learn more. Problems with catalytic converters are one of the most common causes of check engine lights, but they’re extremely ...

Penray’s 2520 cleaner for mass air flow sensors is designed to remove contaminants such as dust and oily vapors from the fine wire that senses the flow of air entering the induction system. Cleaning ...