Toyota Camry Manual page 1344

12 Check fuell tank and fuel tank over fill check valve for cracks and damage.
(See page EC–2)
OK
It is likely that vehicle user did not properly close fuel tank cap.
Please explain to customer how to properly install fuel tank cap.
DIAGNOSTICS – ENGINE (1MZ–FE)
NG Replace fuel tank or fuel tank over fill check
valve.
Author : Date :
DI–317
552