3:58 PM PT -- Jay Leno tells TMZ ... "I got some serious burns from a gasoline fire. I am ok. Just need a week or two to get back on my feet."
Jay Leno is in a burn center after suffering a serious injury to his face ... TMZ has learned.
Jay was in the Burbank garage where he stores his cars on Saturday when one of the cars erupted into flames without warning. Sources with direct knowledge tell TMZ ... the flames burned the left side of Jay's face, but thankfully did not penetrate his eye or his ear.