Your '92 Camry almost certainly had an actual throttle cable; throttle cable sticking is actually one of the many mechanical failure modes that throttle-by-wire

Your '92 Camry almost certainly had an actual throttle cable; throttle cable sticking is actually one of the many mechanical failure modes that throttle-by-wire solved. This used to be a thing for all cars; and it continues to be a common problem for motorbikes that still tend to use mechanical throttle linkage.