The next step is to check for leaking fuel injectors. Install the fuel-pressure gauge, pressurize the system, turn the key off, and note the time it takes for a pressure drop of 20 psi to occur.

GM has issued a voluntary emission recall for the 2024 Chevy Silverado HD and 2024 GMC Sierra HD trucks to properly adjust fuel injector flow.

GM has issued a service update detailing a fix that is now available for 2023 Chevy Colorado pickup trucks affected by an engine control module (ECM) fault that can result in incorrect fuel ...