General Motors has published a new service update to remedy a fuel injector flow rate problem that impacts several models from various GM brands, including the 2019 through 2022 GMC Sierra 1500 pickup ...

One of the worst moments for a vehicle owner is when an unusual noise begins to emanate from the engine bay. Lately, on a select number of GM vehicles, including the GMC Sierra 1500, a whining noise ...

In production since 2018, the 2.7-liter turbo inline-four engine referred to as L3B has been hit with a customer satisfaction program. As it happens, a handful of engines may feature cracked blocks.

While we often associate pickup trucks' towing and hauling capability with big V8 powerplants, those aren't always the best engine for the job. Manufacturers like GMC have been producing V8s for ...

Introduced for the 2019 model year in the Chevrolet Silverado 1500 and GMC Sierra 1500 full-size pickup truck, the four-cylinder turbo bearing production order code L3B should have received a straight ...

Even as GM transitions to electric, it still needs efficient combustion engines. • General Motors is reportedly working on a new 2.5L turbocharged 4-cylinder engine. • The new engine is based on the ...

GM is reportedly adding a new four-cylinder engine to its Cylinder Set Strategy (CSS) line of engines. The CSS line consists of four different four-cylinder engines, ranging from the 1.3-liter ...