NHTSA Complaint #11655805 — 2007 CHEVROLET SILVERADO 1500

The Active Fuel Management Lifters can cause catastrophic failures by getting stuck in the closed position causing low oil pressure, misfiring, and ticking due to the entire AFM system making the camshaft and valve train wear faster. It is available for inspection upon request. My safety is put at risk due to the possibility of causing accidents or leaving me stranded in an extreme environment. Issues with AFM (Active Fuel Management) systems in certain GM vehicles have been widely reported and confirmed by both dealers and independent service centers. Specifically, AFM lifter failures and related issues, particularly in older models, are common diagnose The vehicle component has not been inspected by anyone. There was a low oil pressure warning light along with lifter tick prior to failure and first appeared at around 160k miles.