Vaccum problems?
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Postmaster
Joined: Aug 2003
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From: St. Peter
Vaccum problems?
With my truck running i pulled the vaccum hose to the EGR and i was getting no vaccum. The hose runs back to a little switch/solenoid thing with 2 wires coming out of it. Then a black hose comes out of the solenoid and goes to the vaccum resovoir. THe black hose IS getting vaccum. So either my switch is broke, or i wonder if converting it to MAF would have anything to do with it? I know i had to rewire some of those wires. Would i be okay just hooking it directly to the intake manifold and bypassing that switch/solenoid?
Also, when i pull the connector off my IAC valve, nothing happens. I put on an IAC from a junkyard and it didnt make a bit of difference. It is my understanding that when the truck is idling and you pull the IAC it should die, or run really rough. When i pull the connector, the idle doesnt even change. ANy ideas here? could the 2 be related? COuld it be something do to with the cam i put in? The mass air conversion?
Also, when i pull the connector off my IAC valve, nothing happens. I put on an IAC from a junkyard and it didnt make a bit of difference. It is my understanding that when the truck is idling and you pull the IAC it should die, or run really rough. When i pull the connector, the idle doesnt even change. ANy ideas here? could the 2 be related? COuld it be something do to with the cam i put in? The mass air conversion?
Thread Starter
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Postmaster
Joined: Aug 2003
Posts: 2,873
Likes: 0
From: St. Peter
okay, so the switch must turn on and let vaccum in at idle. I"m still wondering about the IAC though. It doesnt seem to do anything if i unplug it at idle. I dont get any codes related to the IAC valve.
