RX7 2RTR-1308cc 1.3L MFI (1991)
Idle Up Control Valve: Description and Operation
Idle Speed Control (ISC) System
The Accelerated Warm-Up System (AWS) Solenoid Valve, located on the intake manifold, acts to ensure good driveability and low emissions
immediately after engine start under specified conditions. The valve is a component of the idle speed control (ISC) system.
The valve is ECU activated under these conditions:
1.
Coolant temperature between 59° - 95°F (15° - 35°C).
2.
For 17 seconds after engine start, at idle only.
