Once upon a time, you could diagnose the culprit of your Mazda MX-5 Miata's check engine light with a paperclip. We now use ...

Nicholas Merrill has spent his career fighting government surveillance. But he would really rather you didn’t call what he’s selling now a “burner phone.” Yes, he dreams of a future where anyone in ...

This article was updated in November 2025 with new information. You know you’ve earned your DIY stripes when you can stay calm the moment something goes wrong. And with cars, that moment usually ...

A journalist's experience with a check engine light and an outrageous $250 diagnostic fee reveals how a simple, affordable tool can save you from questionable auto shop practices and hundreds of ...

Ever been stumped with an error code your Windows installation threw up and did know where to look it up? There are a few tools that can help you identify the Error ...

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 ...

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 ...

When my check engine light came on recently, I decided to try the FIXD scanner to avoid an unnecessary mechanic visit. The device plugs into the OBD2 port and pairs with my phone via Bluetooth, giving ...

You’ve probably been there — you go in for a simple oil change, and suddenly the mechanic tells you your transmission needs replacing. Or your check engine light turns on, and what you thought would ...

That's where OBD-II scanners come in, giving enthusiasts and everyday drivers a window into their vehicle's diagnostic systems. If you're chasing down the cause of a check-engine light, ensuring peak ...