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 MANUALSTOYOTA19904RUNNER 2D UTILITY, 2.4 R, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROLS - SPECIFICATIONS - 4-CYLIGNITION TIMING SPECIFICATIONSNOTES
1990 Toyota 4Runner 2D Utility, 2.4 R, Automatic
Ignition Timing Specifications: Notes
1990 Toyota 4Runner 2D Utility, 2.4 R, AutomaticSECTION Notes
IGNITION TIMING - Degrees BTDC @ RPM
| Application | Base Timing | Advance Timing | |||
|---|---|---|---|---|---|
| Camry & Celica | |||||
| 3S-FE | 10 @ Idle | 13-22 @ Idle | |||
| 3S-GTE | 10 @ 750 | 14-19 @ Idle | |||
| 4A-FE | 10 @ 800 | 5-15 @ Idle | |||
| 5S-FE | 10 @ 700 | 13-22 @ Idle | |||
| Corolla | |||||
| 4A-FE | 10 @ 800 | 5-15 @ Idle | |||
| 4A-GE | 10 @ 800 | 16 @ Idle | |||
| Pickup & 4Runner | |||||
| 22R | (1) 0 @ 700 | 10-14 @ Idle | |||
| 22R-E | 5 @ 750 | 10-14 @ Idle | |||
| Tercel | |||||
| 3E | 3 @ 950 | 12-18 @ 950 | |||
| 3E-E | 10 @ Idle | 7-17 @ Idle | |||
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RENDER: 1.0x
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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.