Because of their complexity, today’s vehicles depend on computers for managing many of their features. These features include the ability to adjust the air-to-fuel ratio and gear...

These days, it’s impossible to maintain your car without a good understanding of its computer systems. Gone are the days of adjusting your timing belt or setting your own fuel-to...

  If your vehicle suddenly refuses to start, and you’ve exhausted the more mundane causes such as a dead battery, it’s possible that you have a faulty ECM (engine control ...

Whether you’re looking to tune your car or you want to understand why your car isn’t running right, you’ll have to learn about on-board computers. The terms ECM and PCM are o...

Your car’s Engine Control Module (ECM) monitors all the sensors in the vehicle to make sure that the car’s systems are running as they’re supposed to. When conditions change,...