July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

BAC Valve

BAC VALVE
1. Connect the data link connector terminals TEN and GND by using the Special Service Tool (System selector).
2. Connect a dwell tach tester to the data link connector terminal IG-.
3. Start the engine at engine cold condition.
4. Verify that the idle speed decreases gradually as the engine warms up.
5. If not, check the water hose of the BAC valve.
6. If water hose is OK, replace the BAC valve.