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 ...

Q: I pay attention to the factors that result in good gas mileage for my car, like checking tire pressure, spark plug gap, clean air filter, fuel pump pressure, clean transmission fluid, etc. Since I ...

We earn commissions from purchases you make using links in our articles. Learn more. If your car experiences poor fuel economy, lacks power, feels sluggish, idles rough, or has an illuminated check ...