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5.3 running rich and my IAC would not get below 70 with fitech. Took of intake and seen that map sensor had hose from it going into threaded port on intake. Would this set up cause this issue? There is 4 ports, one was being used for brake booster, one for the map sensor hose and the other 2 were closed. Thanks
Today, 12:16 PM
MAP sensor install on aftermarket intake question 
