Information on Black Smoke, Rough Idle and Minimal Misfires on Cold Start – GM Passenger Cars and Light Duty Trucks
NHTSA ID Number: 10198847 Manufacturer Communication Number: 19NA044 Summary This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. 593 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2016-2019 BUICK ENCLAVE 2008-2021 BUICK ENCORE 2013-2021 BUICK ENCORE GX 2020-2021 BUICK ENVISION … Read more