To do the job properly, the throttle does need calibration, there's a calibration routine in SDD to do it. However I'm sure many have been changed without calibration, but I do wonder how many of those would fail early, because the calibration hasn't been done. Hyundai Ioniq 5 Ultimate. The family car.
2009 Rimini Red SE TD4. Gone.
2006 Tonga Green i6 HSE. Gone.
Audi A5 convertible, my daily driver.
1972 Hillman Avenger GT, the project.