No vacuum from S port of throttle body
#1
07-20-2014, 03:55 PM
No vacuum from S port of throttle body
87' s-10 Blazer, 2.6L V6. Getting vacuum from ports serving PVC valve, EGR valve and MAP, but not the port that supply vacuum to ACC items such as HVAC controls, transfer case, etc. I have check the port and vacuum is temporary present revving the engine
#2
07-20-2014, 05:02 PM
Well figured it out, who ever last worked on the throttle body switched the ports between J (EGR) and S (HVAC controls, transfer case, etc).
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