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 MANUALSNISSAN-DATSUN2003ALTIMA SL, 2.5 A, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCESPECIFICATIONSENGINE CONTROLS - SERVICE & ADJUSTMENT SPECIFICATIONSIGNITION SYSTEMIGNITION TIMING
2003 Nissan-Datsun Altima SL, 2.5 A, Standard
Ignition Timing
2003 Nissan-Datsun Altima SL, 2.5 A, StandardSECTION Ignition Timing
NOTE:
For ignition timing adjustment procedures, see ON-VEHICLE ADJUSTMENTS
article.
IGNITION TIMING SPECIFICATIONS (1)
| Application | Degrees BTDC | ||||||
|---|---|---|---|---|---|---|---|
| Altima, Maxima, Murano, Pathfinder & 350Z | 10-20 | ||||||
| Frontier & Xterra (2) | |||||||
| 2.4L | 18-22 | ||||||
| 3.3L | 8-12 | ||||||
| Sentra | |||||||
| 1.8L | |||||||
| Automatic Transmission | 13-23 | ||||||
| Manual Transmission | 2-12 | ||||||
| 2.5L | 10-20 | ||||||
|
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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.