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2. Check PCV valve operation. 3. Check that downstream of throttle valve is free from air 4. When the above three items check out OK, engine com- 5. If any of the following conditions occur after the engine − Engine stalls. − Erroneous idle. GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX BASIC SERVICE PROCEDURE Idle Air Volume Learning (Cont’d) EC-73 |