What did I just break? (3 Viewers)

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JohnnyFish

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Would someone let me know what I just broke on my ‘79 2F 40?

thank you in advance.
 
I agree it’s probably emissions. It looks like a coolant temp sensor with vacuum outputs.
 
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These are notorious for becoming brittle and breaking. Cityracer also has them if I remember correctly. I would buy new and not worry for another 30 years
 
Might still be available from Toyota.
 

Oops wrong one...
 
What does it do?

Temperature-based switching for the air injection system, so that air injection only happens after the engine is fully warm.
 
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