Learn all you need to know about Engine Control Modules (ECM), or Engine Control Units (ECU), in this article concering electronically controlled midget engines. Enginology is step one in the ...

The 7.3L Power Stroke used a PCM (power train control module) in conjunction with an IDM (injector driver module) to run the engine.

The Engine Control Module (ECM) is the computer responsible for controlling the engine. The ECM communicates with other vehicle control units via a communication bus.

We ask an automotive engine calibration engineer how Chevrolet’s new 5.5-liter LT7 V-8 makes more than 1,000 hp.

How Does A Purge Valve Work? The purge valve is typically located between the fuel tank and the intake manifold and is connected to the EVAP system's hoses and tubing. It is controlled by the engine's ...

Placing your car in neutral when coasting doesn't save gas due to how modern engines use fuel. In addition, it's dangerous ...

Modern cruise control systems use drive-by-wire or electronic throttle control systems (ETCS), with the feature integrated into the engine control module (ECM), which controls the throttle body.

“Moreover, Volvo avoided power complaints by reprogramming the [engine control module] so the engine torque would remain at peak levels down to 1,000 rpm.

We mention the taillights because the Hellcat engine control module (ECM) needed to recognize the factory taillights were hooked to the 2015 Charger's body control module (BCM) and read the exact ...

A faulty or malfunctioning transmission can trigger the check engine light for a handful of reasons, including things like an overheating gearbox or issues with the transmission control module (TCM).