How can u tell if u have an air leak? will there b a performance diff.? or can u hear it?
air leak - 6G Celicas Forums
usually the 1st and sometimes the latter. spray carb cleaner around where you suspect the airleak to be, your idle will change when the liquid is sucked into the engine.
2000 Celica GTS 'slowest gts evar'1998 Mazda 626 FS-DE/CD4-E