Chart 4
- Unique Idle Concerns: Slow Return To Idle
| SYSTEM/COMPONENT | REFERENCE (PINPOINT TESTS -- GASOLINE MODELS unless noted) |
|---|---|
| Vacuum Leaks, Throttle Body | Visual |
| PCV System | GO to Pinpoint Test HG . |
| Intake Air System Leaks (for vehicles equipped with an IAC valve) | GO to Pinpoint Test HU . |