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evrtest.jpg EVR Testing: vacuum should vent from the green line (supply port) on a good valve NOT energized.  When energized, vacuum should hold from the black (source port) to the green (closer to the electrical connector).

[url=https://www.supermotors.net/registry/media/1167873][img]https://www.supermotors.net/getfile/1167873/thumbnail/secondaryairvalves.jpg[/img][/url]

Resistance across the terminals should be 20-70 ohms.

For smallblock trucks, see:
[url=http://www.supermotors.net/registry/media/826382][img]http://www.supermotors.net/getfile/826382/thumbnail/egrtubesv8.jpg[/img][/url]
evrtest.jpg | Hits: 9467 | Posted on: 1/30/05 | View original size (19.37 KB)

EVR Testing: vacuum should vent from the green line (supply port) on a good valve NOT energized. When energized, vacuum should hold from the black (source port) to the green (closer to the electrical connector).



Resistance across the terminals should be 20-70 ohms.

For smallblock trucks, see:
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