I was wondering what the sensor is for on the inter cooler piping before the throttle body and if the car needs it to run ok. It has a vacuum line that I think goes to the factory boost gauge. Please help me out!
I havea 2004 saab 9-3 with the b207r motor.
i want to put a new intercooler on my 9-5 se. the problem is that there is a small third hose coming off the right side near the top. from there it goes down and to the right and connects to something important looking. maybe the evaporator? this hose is metal and welded to the intercooler. i...