Group: Super Mod
Posts: 503
Joined: 25-March 07
Member No.: 4,405
Drives: 1999 Taco PreRunner Xtra Cab 3.4L V6
Location: Sunny SoCal
Your nearest autoparts store should carry a locking gas cap. Make sure to get one made by Stant or another major company. Crappy ones will give you a bad seal and throw a CEL.