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On the vacuum trail ...
Going through the vacuum system for a bit. I have a question about the secondary air injection pump. I do not hear any sound coming from it during cold startup (not like I ever have warm startup). I left my windows computer at work, so my Durametric is helpless right now. Can a failed SAI pump cause this bad a problem? Thanks, Tom
Last edited by tada; 04-27-2016 at 10:29 AM.
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