vacum sensing valves/ high idle

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Posted by ted wilson on September 14, 2008 at 08:03:20:

I have a 92 toyota 4x4 with the 22 re engine with california emissions. on top of the valve cover are 2 (vsv) vacum sensing valves. Can anyone tell me what they are for? they both have little filters on them and some electronics wired to them, one of which make a straw slerping noise and when I take the filter off it goes away. I tried to get just a filter but toyota wants $80 for it. Anyways after I drive for about an hour I notice the truck idles a few hundred rpm too high and I think the VSV or something in the vacum system/EGR system is related to this. Does anyone have any input on this problem?

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Re: vacum sensing valves/ high idle 4Crawler 15:10:06 09/14/08 (0)

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: I have a 92 toyota 4x4 with the 22 re engine with california emissions.  on top of the valve cover are 2 (vsv) vacum sensing valves.  Can anyone tell me what they are for?  they both have little filters on them and some electronics wired to them, one of which make a straw slerping noise and when I take the filter off it goes away.  I tried to get just a filter but toyota wants $80 for it.  Anyways after I drive for about an hour I notice the truck idles a few hundred rpm too high and I think the VSV or something in the vacum system/EGR system is related to this.  Does anyone have any input on this problem?



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