The original throttle cable from your 2S is just too quick and does not get to the linkage for your ITB’s. I had a take a look at some old Toyotas in the wrecking yard and located a single that would in good shape from the 1989 SV21 Camry. It’s https://4age-blacktop-engine-for88493.blue-blogs.com/47105077/indicators-on-toyota-4a-ge-you-should-know