Modern cars can do a lot of impressive stuff. The onboard diagnostic (OBD) system can tell us when there's a vehicle malfunction by activating the check engine light, while advanced car safety ...

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

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 ...

Replace both the upstream ones at the same time so the reading will be consistent. You can keep the downstream one on there. The only difference between the two is the length of the wire. You can also ...

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 ...