Idle Speed
Engine idle RPM is fixed and cannot be changed by standard adjustments. A scan tool must be used because control strategy and idle speed is controlled by Powertrain Control Unit (PCM). See IDLE SPEED in ADJUSTMENTS article in the ENGINE PERFORMANCE Section.
IDLE SPEED SPECIFICATIONS
| Model | RPM | |
|---|---|---|
| 4.6L | 640 | |
| 5.0L | ||
| A/T | 625 | |
| M/T | 450-750 | |