Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The check engine light by its nature is vague, just a general indication that ...

Repair Reports generated by the Lemur BlueDriver not only interpret error codes, but suggest causes and fixes. The Smog Check feature can let you know if your car is ...

If you own a car built after 1996, it comes equipped with a second-generation onboard diagnostic (OBD or OBDII) system. These systems work together with the vehicle's primary computer or powertrain ...

If you've been involved in automotive repair for a while, you probably know that modern vehicles use onboard diagnostic (OBD) systems to help notify us when there's a problem. The OBD system works ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. So your engine light is on. It could be nothing. Or it ...

We earn commissions from purchases you make using links in our articles. Learn more. If your car or truck’s check engine light is on, there’s a stumble when accelerating, or if the transmission just ...

The world of car diagnostics has changed a lot over the last 50 years. Back in the '70s and earlier, a mechanic's most valuable diagnostic tools were usually their eyes and ears. You could figure out ...

It is never fun when you’re driving along and suddenly one of the lights on your dash appears to let you know that something isn’t right with your car. You can go to a dealership and pay a lot of ...

The check engine light is both a friend and foe. For those who take their cars to the shop for repairs, it’s a symbol of impending treachery and rising credit card bills. But to those who shoulder the ...

Modern vehicle diagnostics now range from basic OBD2 code readers to advanced scan tools and specialized software like FORScan, enabling both DIYers and professionals to pinpoint issues faster and ...

An OBD-II scanner can turn the mystery of a check engine light into clear, actionable information. Whether you’re a DIY enthusiast or just want to save on mechanic visits, understanding how to use one ...