The National Highway Traffic Safety Administration (NHTSA) has opened an investigation into General Motors (GM) over potential engine failures affecting many of

A recall of the affected models, which include the Chevrolet Silverado 1500 and GMC Sierra 1500, may be issued if needed.

The U.S. National Highway Traffic Safety Administration said it was opening a preliminary probe into vehicles manufactured by General Motors after receiving reports alleging engine failure.

Complaints received by the agency allege a bearing failure that may result in either an engine seizure or a breaching of the engine block. GM said it is cooperating with the agency.

US auto safety regulators are probing General Motors Co. over concerns that more than 870,000 of its full-size pickup trucks and SUVs face the risk of engine failure.