emissions components schematic availability?

Question

Nissan Pick-Up 620 Series

The Datsun 620, produced between 1972 and 1979, is a legendary "mini-truck" celebrated for its distinct "bullet-side" styling and its role in pioneering the extended-cab market with the 1977 King Cab model.

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Ford Roush @fordroush

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crwdns2955602:0crwdne2955602:0: masiku 3 agoMha 22, 2026

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emissions components schematic availability?

I have a 1979 datsun 620 with the L20.

I need a schematic for all the emission components, ( air injection, egr valve, )

something with all the vacuum connections please.

thank you.

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score 1 · Answer 1 · 2026-08-23T00:10:38-07:00

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jayeff @jayeff

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crwdns2955602:0crwdne2955602:0: masiku 3 agoMha 23, 2026

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Hi @fordroush

Here's an image that may help.

(click on image)

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Nissan Pick-Up 620 Series

emissions components schematic availability?

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