Was the gas cap for our car too, with only 22,000 miles. Couldn't get it tight enough even though it would click several times. It would still rattle loose with the slightest touch. After building up a few layers of teflon tape under the O-ring on the cap, it now locks down like it should.
Check Vsc/check Engine Light
in 06 - 12 Lexus GS300 / GS350 / GS460
Posted
Was the gas cap for our car too, with only 22,000 miles. Couldn't get it tight enough even though it would click several times. It would still rattle loose with the slightest touch. After building up a few layers of teflon tape under the O-ring on the cap, it now locks down like it should.