Idle Speed & Mixture
NOTE:
Idle mixture is not adjustable. If idle mixture is incorrect, see appropriate TESTS W/CODES
article below in the ENGINE PERFORMANCE section.
- TESTS W/CODES - EEC-IV (5.0L) (for Mustang)
- TESTS W/CODES - EEC-V (4.6L) (for Cougar & Thunderbird)
- TESTS W/CODES - EEC-IV (4.6L) (all other 4.6L)
IDLE SPEED SPECIFICATIONS
| Model | RPM | ||
|---|---|---|---|
| 4.6L | (1) | ||
| 5.0L | 625-725 | ||
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