Dealing with a dead battery, worn brakes, or a Check Engine Light is stressful and expensive. Luckily, many of these issues are simple to fix yourself. Just pick up your replacement parts from a ...

While O2 sensors have no fixed replacement schedule, your driving style and the health of other engine components can ...

Drivers who clear a check-engine light only to see it return days or weeks later are not dealing with a glitch. Federal ...

When the check engine light comes on, you may hesitate taking it to a mechanic who will charge you for a non-problem. Learn ...

No dashboard light triggers gut-drop panic quite like the check engine light. The frustrating part? It won't tell you whether ...

Forbes contributors publish independent expert analyses and insights. Jim Gorzelany is a veteran automotive journalist. This voice experience is generated by AI. Learn more. This voice experience is ...

Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...

Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...

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 ...

When the check engine light comes on, it always grabs your attention. It’s designed to alert you that something isn’t right under the hood, but that doesn’t always mean it’s time to panic. Some causes ...

Alright, so that engine knocking and the car running like crap? Yeah, it was back. Even after cleaning everything (EGR, O2 Sensor, Throttle body, Intake Manifold, Exhaust manifold) last time, the ...