Idle Speed & Mixture
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1990 Ford RV Cutaway, 1990 Ford Pickup, 1990 Ford F-Super Duty, 1990 Ford Econoline, and 1990 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For curb idle adjusting procedures, see ADJUSTMENTS
article.
IDLE RPM
| Engine | Idle RPM | ||
|---|---|---|---|
| 4.9L | |||
| Automatic Transmission | 650-700 | ||
| Manual Transmission | 675-725 | ||
| 5.0L | |||
| Automatic Transmission | 675-725 | ||
| Manual Transmission | 700-750 | ||
| 5.8L | |||
| Automatic Transmission | |||
| C6 | 780-830 | ||
| E4OD | 730-780 | ||
| Manual Transmission | 730-780 | ||
| 7.5L | |||
| Automatic Transmission | 650-700 | ||
| Manual Transmission | 650-675 | ||
NOTE:
No idle mixture adjustments are possible. If engine performance is unsatisfactory, see TESTS W/CODES
article.