oslo Posted May 22, 2007 Share Posted May 22, 2007 Anyone know what the three tubes going into the air intake box are? Do they suck some of the intake air for some other application(s)? Quote Link to comment Share on other sites More sharing options...
oslo Posted May 22, 2007 Author Share Posted May 22, 2007 This is on the '98-'00, btw. Quote Link to comment Share on other sites More sharing options...
GentlemanJack Posted May 24, 2007 Share Posted May 24, 2007 They may be used to create a negative air pressure in the engines valve covers, the PCV valve works in all normal driving conditions, but at full throttle when the manifold vacuum is zero, these pipes would prevent any positive crankcase pressure. But then they could be attached to sensors for the engine management system.... Quote Link to comment Share on other sites More sharing options...
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