General Motors has issued a new Service Update, this time for the 2023 GMC Terrain, which may exhibit an issue impacting the vehicle's fuel pump control module.

General Motors has issued a product emissions 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. The problem: ...

-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 ...

The Engine Control Module (ECM) is a crucial component in a car, as it acts as the brain that controls various engine functions. It works in conjunction with multiple sensors, wires, and connectors to ...

There was a time when many 4WD enthusiasts were afraid of electronic fuel injection (EFI) on engines, preferring the “relative simplicity” of a carbureted engine that could be run in a pinch with ...

Back when smog control devices first started to appear on cars and light trucks the consensus in the enthusiast community was that performance vehicles were going to be targeted. By the mid-'70s Big ...

We at GMHTP have sung the praises of every new LS V-8 for the past decade, and the song remains the same: building off of the original Gen III in 1997, every new GM mill gets more strength, more ...