Aerostar 2WD V6-183 3.0L (1991)
Idle Speed/Throttle Actuator - Electronic: Service and Repair
Air Bypass Valve
1.
Disconnect the Idle Speed Control By-Pass Air (ISC-BPA) valve assembly connector from the wiring harness.
2.
Remove the two ISC-BPA retaining bolts.
3.
Remove the ISC-BPA valve and gasket.
4.
Clean the gasket mating surfaces.
NOTE: If scraping is necessary, use care not to damage ISC-BPA valve or throttle body gasket surfaces, or drop material into the throttle body.
5.
Install the gasket and ISC-BPA valve on the throttle body.
6.
Install the retaining screws, torquing them to 84 lb. in. (9.5 N-m).
7.
Connect the electrical connection for the ISC-BPA valve.