That is not the correct way to test. You test it by applying 7-10 psi to the actuator reference port. The actuator uses positive manifold pressure to...
Do you mean MAF sensor? The sensor on the air box is a MAF sensor. The MAP sensor is on the throttlebody and is primarily just used to allow the ECU...
This site is US based. This would be part of the reason you are not getting any responses quickly. We didn't even get the WRX until 2002 and the STI...