Certain units of the 2023 through 2024 Chevy Colorado pickup, powered by the turbocharged 2.7L I4 L2R engine and 2.7L I4 L3B gasoline engines, are included in a new GM Service Update containing a fix ...

GM has issued a voluntary emission recall for the 2024 Chevy Silverado HD and 2024 GMC Sierra HD equipped with the 6.6L V8 L5P turbodiesel Duramax engine, which may have an incorrectly adjusted ...

It's safe to say that performance enthusiasts have embraced electronic fuel injection. That's not to say that carburetors can't do the job, but Detroit hasn't rolled a new car off the production ...

This is the twin TBI setup attached to the top of the new cross-ram manifold. Note that fuel enters the left TBI unit first and then on to the right unit before being returned to the tank. Although ...

Fuel injection is on every 4x4 that's newer than about 15 years, but truck owners still approach EFI modifications with shaky hands. We had a rare opportunity to get deep inside a company at the ...

Though not the first electrically controlled diesel in the light-duty market (the Ford 7.3L Power Stroke was), the General Motors 6.6L Duramax is recognized as one of the most sophisticated. It boasts ...

The high-pressure common rail system has been widely used owing to its precise control of fuel injection rate profile, which plays a decisive role in cylinder combustion, atomization, and emission.