What is the Electronic Control Module? Also referred to as an engine control unit (ECU) or engine control module, it oversees the electrical system of the car, but focuses on engine performance.

The powertrain control module (PCM) in your Jeep Wrangler acts as your engine's brain. Here's where it can cause problems, and how to fix them.

During their final years, a handful of automakers experimented with computer control of the humble carb, trying to squeeze out every last bit of efficiency and reduce pollution as much as possible.

GM has issued a recall for certain examples of the 2015 to 2017 model-year Chevy City Express utility van over an issue related to the engine control module.

Consumer Reports explains what the check engine light means and what to do when you see it: how to tell if your car has a loose gas cap—or a serious engine problem.