my s4 engien swap. last proble to solve
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my s4 engien swap. last proble to solve
ok evrything is hooked up and stuff is running almost perfect. i'm running back and cleaning stuff up. i noticed something. i dont have any of the lines for this hoook up(the stuff circled in black. all 3 lines are jsut laying over there. i was wondering what they do and what that switch circled in red does.
thx
thx
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Actually, the switch in red is not for the cruise control (although, that would be tapped into the vacuum line nearby). It's a switch that detects whether manifold vacuum is present or not and sends a signal to the ECU.
I believe the S4 equivalent is called a Pressure (Boost) Sensor, although it varies it's signal with vacuum and the -SE version is just a switch..
The two solenoids in black control the ACV.
-John.
I believe the S4 equivalent is called a Pressure (Boost) Sensor, although it varies it's signal with vacuum and the -SE version is just a switch..
The two solenoids in black control the ACV.
-John.
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Jeff20B
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09-16-18 07:16 PM