Quote:
Originally Posted by exitwound
Took me about 2 hours to do my vacuum lines. The hardest ones to reach are the ones that connect to the firewall behind the engine. My idle is still very low in cold weather though, which is why I think either my ISV is bad or the signal isn't being sent to it properly. I tested it with a 9V battery and it opens and closes quickly with a signal.
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Clamp the vac hose from the manifold to the ISV. If the idle smooths out, most likely your ISV is bad or dirty.