One problem related to engine funny noise has been reported for the 2000 Toyota Camry. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Toyota Camry based on all problems reported for the 2000 Camry.
2000 Toyota Camry - 68,400 miles. Sounded like engine had difficulty getting air. Humming noise coming from firewall area of engine. Gas mileage went from 450 miles per tank to 200 miles per tank. Garage replaced air fuel sensor. Problem resolved.