GM issues a service update for 2025-2026 Chevy Silverado and Express models to replace the fuel pump power control module, ...
GM issues a service update for 2025-2026 GMC Sierra and Savana models to replace the fuel pump power control module, preventing potential engine stalling.
Answer:No, and yes. GM's Active Fuel Management, as with all cylinder deactivation systems, does improve fuel economy. But the amount of fuel savings between V-8 and V-4 mode is somewhat of a gray ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback