Vivian G Medley , FL March 22, 2018 Appliance: Frigidaire Range FFEF3043LSK Frigidaire Range Ffef3043lsk / : Missing oven rack. How to replace Oven Rack. Was just a matter of buying a new one and installing it. Very expensive but works perfectly. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes