For all its '81 vehicles, GM introduced a computer-controlled engine-management system named Computer Command Control. It became known as CCC or C-3. The engine controller—first called an engine ...

A detailed breakdown of OBD-II diagnostic trouble codes (DTCs) is offering clearer guidance for brake light and related ...

Q:Hello, I am a longtime Corvette enthusiast and have owned many Corvette models. Unfortunately, I have never been in the financial position to purchase a new model and usually buy cars between 10 and ...

An OBD2 (On-Board Diagnostics II) scanner can provide information about the status and health of various vehicular systems. This information can help inform the user as to what the source of a problem ...

Modern OBD-II scanners give everyday drivers powerful insight into their car’s health, from reading trouble codes to ...

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 ...

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 ...

Diagnosing automotive problems used to be much more challenging. A mechanic had to use all of their skills to pinpoint mechanical or electrical issues. Nowadays, you can diagnose many problems ...

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 ...

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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 ...