The APC Solenoid, also known as the boost pressure control solenoid, can fail creating an over-boost condition or a lack of boost from the turbocharger. This may be felt in an abrupt loss of acceleration under heavy load (climbing a hill, or quick acceleration).
Lack of Boost or Over Boost Condition Due to APC Solenoid Failure on Saab 900
Average mileage: 165,000 (165,000–165,000)
Engines affected: 2.0L 4 Cylinder Turbo, 2.3L 4 Cylinder
5 people reported this problem
1995 Saab 900 - 2.3L 4 Cylinder 165,000 mi, Visitor
car sounds lacking in power ans nearly feeps as though it may stall.