GMC Sierra owner Jacob Van Den Top reports lifter failure on his 6.2L V8, challenging GM’s claims that the valvetrain issues ...
During the COVID-19 pandemic, supply chain disruptions and semiconductor shortages forced automakers to make some tough decisions. For GM, one of the compromises was the removal of Dynamic Fuel ...
General Motors is back in legal hot water—this time over a fix that may have done more harm than good. A new class-action lawsuit claims GM tackled a nagging engine ticking issue by rolling out a ...
As GM Authority readers are likely aware, Dynamic Fuel Management (DFM) – GM’s second-generation cylinder deactivation technology that disables a vehicle’s cylinders in the name of fuel economy – is ...
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