Published: May 09, 2011 7:34 PM EDT
Updated: May 09, 2011 4:34 PM EDT

DETROIT (AP) - Federal safety regulators are investigating a fuel tank problem that could affect more than 2.7 million Ford F-150 pickup trucks.

The National Highway Traffic Safety Administration says steel straps holding up the truck's gas tank can rust and break, possibly causing a fuel spill and fire.

No injuries have been reported from the possible defect.