Chart 4
- Unique Idle Concerns: Slow Return To Idle
| SYSTEM/COMPONENT | REFERENCE ( PINPOINT TESTS unless noted) |
|---|---|
| Vacuum Leaks, Throttle Body | Visual. |
| Positive Crankcase Ventilation (PCV) System | GO to PINPOINT TEST HG . |
| Intake Air System Leaks | GO to PINPOINT TEST HU . |