It’s the moment every car owner dreads, especially those of us who own older, out-of-warranty cars: The check engine light pops on. Keep a vehicle long enough, and it’s bound to happen. It happened to ...

One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard the term “wideband O2 sensor” being thrown around at the track, dyno ...

Do yourself a favor and download iFixit’s new app. The free app from iFixit, a repair and advocacy organization, has one extremely handy feature for any smartphone model: It shows a personalized ...

When you are heading down the road and see the Jeep Check Engine Light, you are sure to be worried. This warning is meant to get your attention so you fix the problem right away. Yet, this Jeep ...

The Check Engine Light has just come on your dash, but you don’t feel like the car is running any differently than normal. Now what do you do? If the car isn’t operating right, you may pull over and ...

Modern vehicles are equipped with advanced diagnostic systems designed to alert drivers to potential issues before they become serious problems. For Mitsubishi owners, understanding these diagnostics ...

There are few things more distracting when driving than a check engine light, or CEL. The CEL is a vague, catch-all light that indicates there is an error somewhere ...

Playing second fiddle to the dreaded check-engine light is the oil light, one of the many dashboard warning lights that you shouldn't ignore when it illuminates while driving. Some cars have multiple ...

For most drivers, an oil change is a quick, hassle-free service that typically puts you out no longer than an hour and costs you (give or take) a hundred bucks. But even if you're perfectly on top of ...