sage : 02 sensor should be around rm60 to rm80 ringgit as in working condition. yours turbo not turbo?? i think should be the same rite.?? i have one but turbo ones..
Is it possible to install VAFC/VAFC2 to DVVT engine and make it work like on v-tec and mivec
where as the DVVT will kick on early than the factory setting.