General Motors has issued a new service update targeting a potential fault with the fuel pump power control module in certain 2025-2026 model year vehicles, including the Chevy Silverado and Chevy ...

General Motors has issued a new service update targeting a potential fault with the fuel pump power control module in certain 2025-2026 model year vehicles, including the GMC Sierra and GMC Savana.

The demands for better emissions and fuel economy in the mid 1970s necessitated leaner fuel mixtures. These leaner mixtures required greater voltage and more spark to ignite. This challenge led GM ...