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.
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HOMESERVICE MANUALSMAZDA1999PROTEGE ES, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESPECIFICATIONSENGINE CONTROLS - SERVICE & ADJUSTMENT SPECIFICATIONSFUEL SYSTEMIDLE SPEED & MIXTURE
1999 Mazda Protege ES, Automatic
Idle Speed & Mixture
1999 Mazda Protege ES, AutomaticSECTION Idle Speed & Mixture
NOTE:
Idle mixture is not adjustable. If idle mixture is incorrect, see appropriate
SELF-DIAGNOSTICS article.
IDLE SPEED SPECIFICATIONS
| Application | Man. Trans. RPM | (1) Auto. Trans. RPM | |||||||
|---|---|---|---|---|---|---|---|---|---|
| B2500 | (2) | (2) | |||||||
| B3000 | 825-875 | 875-925 | |||||||
| B4000 | 800-850 | 725-775 | |||||||
| Miata | 750-850 | 750-850 | |||||||
| Millenia | N/A | 600-700 | |||||||
| Protege (3) | 650-750 | 700-800 | |||||||
| 626 | |||||||||
| 2.0L | 550-850 | 500-800 | |||||||
| 2.5L | 550-750 | 550-750 | |||||||
|
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RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.