Cleaning

1. Start and warm-up the engine until radiator fan operates.





2. Hold throttle valve to keep the engine speed at 2,000 rpm.





3. Disconnect air by-pass hose from air intake duct.





4. Slowly pour one can (16 oz) of cleaner into bypass air hole.

Cleaner:
Part No. 1050002 GM Top Engine Cleaner
Part No. X66-A AC Delco Carburetor
Tune-up Conditioner

5. Leave the engine running for five minutes.

NOTE: Let white smoke come out from muffler until the cleaner is used up.

6. Stop the engine.
7. Release the throttle valve.





8. Connect air by-pass hose to air intake duct.
9. Check duty ratio of idle air control solenoid valve using Subaru Select Monitor.

NOTE: For detailed operation procedures, refer to the Subaru Select Monitor Operation Manual.





1. Insert the cartridge to Subaru Select Monitor.

ST 24082AA090 CARTRIDGE

2. Connect Subaru Select Monitor to the data link connector.
3. Turn ignition switch to ON, and Subaru Select Monitor switch to ON.
4. Select {2. Each System Check} in Main Menu.
5. Select {EGI/EMPI} in Selection Menu.
6. Select {1. Current Data Display & Save} in EGI/EMPI Diagnosis.
7. Select {1. 12 Data Display} in Data Display Menu.





8. Adjust throttle position sensor to the proper position to match with the following specification.

ISC valve duty ratio: 25 - 40%