NG900 & OG9-3 Workshop
I have a problem with my car, 1996 Saab Ng900 turbo. When I turn on ACC the rpm of the engine decrease to 800 and even 750. Without the ACC the engine works at 950 - 1000 rpm.
I have read that the connector 1 of the IAC valve comes from pin 49 of the ecu. This one gives more "power" to the...