Emerson Firm PLLC Announces Ongoing Investigation Involving Toyota 4Runner, Avalon, Camry, Corolla, Highlander, Land Cruiser, Sequoia, Sienna, Tacoma, Tundra, & Lexus Vehicles HOUSTON, Feb. 12, 2020 (GLOBE NEWSWIRE) -- Emerson Firm, PLLC announces a continuing investigation of a hugely significant issue involving the fuel pump defect of certain Toyota vehicles.  This...