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 MANUALSMAZDA1990B2600I LE-5, 2D PICKUP, RWD, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - BASIC TESTINGIDLE SPEED & IGNITION TIMING
1990 Mazda B2600i LE-5, 2D Pickup, RWD, Standard
Idle Speed & Ignition Timing
1990 Mazda B2600i LE-5, 2D Pickup, RWD, StandardSECTION Idle Speed & Ignition Timing
Ensure idle speed and base ignition timing are set to specification. If necessary, see ADJUSTMENTS article.
PISTON ENGINE IGNITION TIMING
| Application | Man. Trans. | (1) Auto. Trans. | |||
|---|---|---|---|---|---|
| B2200 | |||||
| Carbureted | 6 @ 825 | 6 @ 825 | |||
| Fuel-Injected | 6 @ 750 | 6 @ 770 | |||
| B2600i | 5 @ 750 | 5 @ 770 | |||
| Miata | 10 @ 850 | N/A | |||
| MPV | |||||
| 2.6L 4-Cyl. | 5 @ 750 | 5 @ 770 | |||
| 3.0L V6 | 11 @ 800 | 11 @ 800 | |||
| MX-6 | |||||
| Non-Turbo | 6 @ 750 | 6 @ 750 | |||
| Turbo | 9 @ 750 | 9 @ 750 | |||
| Protege | |||||
| SOHC | 5 @ 750 | 5 @ 750 | |||
| DOHC | 10 @ 750 | 10 @ 750 | |||
| 323 | 7 @ 750 | 7 @ 750 | |||
| 626 | |||||
| Non-Turbo | 6 @ 750 | 6 @ 750 | |||
| Turbo | 9 @ 750 | 9 @ 750 | |||
| 929 | |||||
| SOHC | N/A | 15 @ 650 | |||
| DOHC | N/A | 8 @ 700 | |||
|
|||||
IGNITION TIMING
| Application | Leading (Yellow) | Trailing (Red) |
|---|---|---|
| RX7 | 5 @ 750 | 20 @ 750 |
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.