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.
1998 Nissan-Datsun Sentra BaseFACTORY OEM SERVICE PROCEDURE
4-Cylinder Ignition Timing
4-CYLINDER IGNITION TIMING (1)
| Application | Man. Trans. | (2) Auto. Trans. | |||||
|---|---|---|---|---|---|---|---|
| Altima & 240SX | 18-22 @ 650-750 | 18-22 @ 650-750 | |||||
| Frontier | 18-22 @ 750-850 | 18-22 @ 750-850 | |||||
| Sentra & 200SX | |||||||
| 1.6L | 6-10 @ 625-725 | 6-10 @ 750-850 | |||||
| 2.0L | 13-17 @ 750-850 | 13-17 @ 750-850 | |||||
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Factory Service Tools
Use the Manual With the Right Hardware
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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.