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I didn’t know 40s had emissions equipment. I thought that started in the fj60s?
You have no idea how much emission crap was on the mid to late FJ40s. The first air pump appeared on the 68 model. It was gone on my 68 when I bought it in 74. Not 100% sure they all had them. When I use to take my 68 thru emissions it was never a problem not having one. 77 it will be part of the visual inspection.
Odd but i think the 68 had the air pump but not the 69; am not sure which year it reappeared but it was not until early 70s. Toyota was constantly chasing US emissions standards relative to the 40.
Curious what makes you 69 didn't have a air pump? Is there a large used port on the air cleaner cover? Does the harmonic balancer have a two groove pulley? How about ports in the head for a injection rail. If yes then it may have had a air pump. If not then maybe the 3/69-9/69 didn't have one. Do not believe no one was doing a annual emissions texting when these were new and most were probably yanked out pretty quick. I know my 68 when it went thru emissions they tested tailpile emissions at idle and running. No inder the hood visual inspection. Also did a gas cap inspection. Only see that you had one not that it had a good seal. Some 71s and all 72s were a sealed system with fumes recovery. Those had a sealed fuel tank. Guessing that was a real big change in emissions.