-it seems that those three little letters strike fear into many a promoter, track owner, or sanction head whenever they hear it. ECU stands for Engine Control Unit. Also called an ECM (Engine Control ...

Forbes contributors publish independent expert analyses and insights. Jim Gorzelany is a veteran automotive journalist. With both new-car prices and fuel costs on the rise, today’s motorists are ...

Although “ECU” typically stands for engine control unit, that’s not always the case. It can also mean electronic control unit, which may be the same thing, but could also be something that has nothing ...

GM has issued a voluntary emissions recall for certain units of the 2021 through 2023 Chevy Trailblazer to address an issue with the crossover's engine control module, which may not properly clear an ...

An electronic control unit is a device responsible for overseeing, regulating and altering the operation of a car's electronic systems. Each of a car's electronic features, such as an anti-lock ...

Modern cars depend on a vast number of electronics, components, and vehicle systems to send us to and from our destinations. Some of those parts are well-known, like the engine, transmission, and ...

A purge valve is a vital component of a vehicle's evaporative emission control (EVAP) system. Its function is to control the flow of fuel vapors from the fuel tank and evaporative canister into the ...

When driving a car with an automatic transmission, owners may encounter various problems with the engine control system. The most common one is the U0100 error. What ...