An automotive engine is essentially an air pump. It sucks in air via a partially closed butterfly valve, creating a vacuum in the intake manifold that sends the air to mix with fuel for combustion. If a vacuum leak develops in an engine, your vehicle can idle erratically, lose fuel economy and put the vehicle Read on! →


Have you been staring at that check engine light for months? Bust out your OBD-II scanner, and you’re likely to find that you have a failed oxygen sensor. Luckily, an O2 sensor isn’t difficult to swap out. He’s how to replace an oxygen sensor with minimal work. The oxygen sensor’s job A car’s oxygen sensor Read on! →


Your car’s check engine light isn’t there merely for visual entertainment during your Sunday drive. While the “Car Guys” Click and Clack may joke that the best solution is a piece of duct tape, the truth is that a car owner should pay attention to the warning. It’s important to understand what the check engine Read on! →


The “check engine” warning light causes either panic or annoyance in most drivers. It can mean anything from a loose gas cap to incredibly expensive major repairs. Many drivers believe the system was intentionally made overly sensitive in order to trigger revenue-generating trips to the dealership. But why does the ubiquitous signal really illuminate? A Read on! →