GSTwithPSI
Well-known member
I need to know what all the ports in red circles go to. I was looking for a diagram showing what ports go to what, but no luck. When I mounted my throttle body to the new Magnus manifold, all of these were blocked off by the Magnus manifold flange and gasket (all but the large lower cutout type port). I'm wondering if one of these is needed bypass air at idle?
My real issue is my car wants to stall when the throttle is closed. It idled perfect before the Magnus was installed, so I'm sure the throttle body itself is good. The TPS was calibrated and is good, as is the idle switch. If I bump the throttle open just a bit, the car will idle fine, it just seems like its not getting enough air at idle. I will adjust the biss if I have to, but before I go screwing with it, I want to make sure I'm not missing anything.
My real issue is my car wants to stall when the throttle is closed. It idled perfect before the Magnus was installed, so I'm sure the throttle body itself is good. The TPS was calibrated and is good, as is the idle switch. If I bump the throttle open just a bit, the car will idle fine, it just seems like its not getting enough air at idle. I will adjust the biss if I have to, but before I go screwing with it, I want to make sure I'm not missing anything.