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Toymods Board Member
I supported Toymods
Location:
Turramurra, Sydney.
Registered:
May 2002
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Re: Blocked ports and pipe on 4age bigport
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Tue, 21 October 2003 07:25
 
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How the hell is the port in the throttle body blocked? I'd be scared of the blockage coming loose & getting *schwooooop* sucked into your engine!
That port is for the idle up valve (which is that thing bolted to the underneath of the throttle body with all the blocked lines going into it), & supplies extra air to the motor while it's cold. When it's all working normally the motor should idle at 1500-2000rpm when you first start it, then slowly drop down to 800-1000 when fully warm.
By the sounds of it, the idle up valve is faulty, or you tested it while it was , or the coolant lines that connect to it from underneath have been disconnected, so it has no heat signal.
The rest of those blocked lines are for things like power steering, air conditioning etc, and aren't needed if you don't have any of that stuff.
Mine have always been blocked off too.
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