Active Fuel Management, or AFM for short, refers to cylinder deactivation. GM uses it to shut down cylinders under light load conditions to improve fuel economy with their V8 engines. However, Jasper Engines & Transmissions has determined the AFM system can cause some issues with the engine over...
According to the lawsuit, the engines consume excessive amounts of oil that exceed industry standards, leaving the engines unprotected by a lack of oil which causes severe engine damage. The plaintiff says in addition to problems with the piston rings, the active fuel management system contributes ...
The knock on Active Fuel Management is that the rpm range that it works in is narrow and even the slightest pressure on the accelerator will switch off the system. GM owners reporting their fuel economy on forums and on the EPA's fueleconomy.gov Web site show real-world performance very c...
It is stated that active fuel management through cylinder deactivation will increase fuel efficiency by up to 8 %. It is noted that by cutting off the fuel to those cylinders while shutting off the valves to stop unnecessary pumping, the system saves gasoline.Colias...
There are two ways to disable or delete Active Fuel Management on your GM or Chevy Gen IV LS or LS-based Vortec engine—one is to install an AFM Disabler, and the second is to install an AFM Delete Kit. Here’s what you need to know: 1. Install an AFM Delete Kit An AF...
According to the class action lawsuit, multiple other components and systems contributes to oil consumption. The active fuel management system comprises an oil pressure relieve valve that sprays oil directly at the piston skirts. This oil spray allegedly fouls the defective piston rings and causes oil...
Roof Products Tonneau Cover Pickup Bed Motorcycle Wheel Chock Cargo Management System Steering Wheel Fender Flares Seat Covers View All GenuineGMAccessories > What Our Customers Are Saying Read More Reviews > Shop with Confidence 4.84/5 of3291reviews...
Brake system Car Model Ford Gm Chevy Dodge Ram Toyota Jeep Warranty 1 Year Place of Origin Zhejiang, China Brand Name XinYang Product name Active Fuel Management Application Automotive Brake Systerm Material Plastic OEM NO RA003 Color Black Packing 1set/box Show more Lead...
8.The method of claim 1, wherein the powertrain control strategy includes powering the vehicle using the engine via one of homogeneous charge compression ignition, port fuel injection, active fuel management, direct injection strategy, and variable compression ratio strategy. ...
4.The hybrid vehicle of claim 1, wherein said powertrain strategy includes powering the vehicle with said engine, and includes one of homogenous charge compression ignition, port fuel injection, active fuel management, direct injection strategy, and variable ratio strategy with said engine. ...