Tl* the contact owns a 2002 toyota avalon. the contact stated that while driving at approximately 30 mph, the engine warning indicator illuminated continuously. the vehicle was taken to the dealer on five separate occasions where the fuel cap and fuel line hose were replaced at different times. the failure recurred two days after each repair was performed. most recent, the dealer diagnosed that the fuel tank would need to be replaced. the vehicle was not repaired. the manufacturer was notified not notified of the failure. the approximate failure mileage was 71,000.