Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Idle Speed & Ignition Timing
Connect scan tool to DLC-2. Ensure idle speed and base ignition timing are set to specification. See IDLE SPEED SPECIFICATIONSΒ and IGNITION TIMING SPECIFICATIONS (DEGREES BTDC @ RPM)Β tables. If adjustment is necessary, see ON-VEHICLE ADJUSTMENTS article.
| Application | Man. Trans. - RPM | (1) Auto. Trans. - RPM | |||||
|---|---|---|---|---|---|---|---|
| B2300 | 800-950 | 800-950 | |||||
| B3000 | 760-800 | 880-920 | |||||
| B4000 | 760-800 | 760-830 | |||||
| Miata (2) | 750-850 | 750-850 | |||||
| Millenia | N/A | 600-700 | |||||
| MPV (2) | N/A | 650-750 | |||||
| Protege & Protege5 (2) | 650-750 | 650-750 | |||||
| Tribute | |||||||
| 2.0L | 800-900 | N/A | |||||
| 3.0L | N/A | 730-750 | |||||
| 626 | |||||||
| 2.0L | 550-850 | 500-800 | |||||
| 2.5L | 550-750 | 550-750 | |||||
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| Application | Man. Trans. | (1) Auto. Trans. | |||||
|---|---|---|---|---|---|---|---|
| B2300 | 7-8 @ Idle | 7-8 @ Idle | |||||
| B3000 & B4000 | 11-15 @ Idle | 10-12 @ Idle | |||||
| Miata | 6-18 @ 750-850 | 6-18 @ 750-850 | |||||
| Millenia (2) | |||||||
| 2.3L | N/A | 6-8 @ 600-700 | |||||
| 2.5L | N/A | 9-11 @ 600-700 | |||||
| MPV (2) | N/A | 4-16 @ 650-750 | |||||
| Protege & Protege5 (2) | 6-18 @ 650-750 | 6-18 @ 650-750 | |||||
| Tribute | |||||||
| 2.0L | 10-20 @ 800-900 | N/A | |||||
| 3.0L | N/A | 14-15 @ 730-750 | |||||
| 626 | |||||||
| 2.0L | 6-18 @ 550-850 | 6-18 @ 500-800 | |||||
| 2.5L | 4-16 @ 550-750 | 4-16 @ 550-750 | |||||
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NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.