Excuse the nooby questions, but just wondering what these things are? Engine is a jdm 7mgte (rhd):
What is this? What is it supposed to go to and what can I do with it?
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Is this the factory bov? Why do I get surge back when this is recirculated? Do I need a new bov? Only running 6psi.
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What are these plugs supposed to go to? Air-con? (right side of engine, dipstick shown is auto tranny)
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What is this plug supposed to go to? Next to fuse block/battery in engine bay.
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And finally what is that blue plug supposed to go to? Sorry can't remember where in engine bay that is.
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Mostly just a plugs I have no idea about and any help would be appreciated. Thanks

What is this? What is it supposed to go to and what can I do with it?
---

Is this the factory bov? Why do I get surge back when this is recirculated? Do I need a new bov? Only running 6psi.
---

What are these plugs supposed to go to? Air-con? (right side of engine, dipstick shown is auto tranny)
---

What is this plug supposed to go to? Next to fuse block/battery in engine bay.
---

And finally what is that blue plug supposed to go to? Sorry can't remember where in engine bay that is.
--
Mostly just a plugs I have no idea about and any help would be appreciated. Thanks