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 MANUALSMAZDA1991MPV 3D VAN CARGOREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROLS - SPECIFICATIONSIGNITION SYSTEMSPARK PLUGS
1991 Mazda MPV 3D Van Cargo
Spark Plugs
1991 Mazda MPV 3D Van CargoSECTION Spark Plugs
SPARK PLUG TYPE
| Application | NGK No. | |||||
|---|---|---|---|---|---|---|
| B2200 | ||||||
| Carbureted | BPR5ES or BPR6ES | |||||
| PFI | BPR5ES-11 or BPR6ES-11 | |||||
| B2600i | ZFR5F-11 or ZFR6F-11 | |||||
| Miata | BKR5E-11, BKR6E-11 or BKR7E-11 | |||||
| MPV | ZFR5F-11 or ZFR6F-11 | |||||
| MX-6 & 626 | ZFR5F-11, ZFR6F-11 or ZFR7F-11 | |||||
| Navajo | (1) | |||||
| Protege | ||||||
| DOHC | BKR5E-11, BKR6E-11 or BKR7E-11 | |||||
| SOHC | BKR5E-11 or BKR6E-11 | |||||
| 323 | BPR5ES-11 or BPR6ES-11 | |||||
| (2) RX7 | ||||||
| Leading | BUR7EQ | |||||
| Trailing | BUR9EQ | |||||
| 929 | ||||||
| DOHC | ZFR5F-11 or ZFR6F-11 | |||||
| SOHC | ZFR5F-11, ZFR6F-11 or ZFR7F-11 | |||||
|
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SPARK PLUG SPECIFICATIONS
| Application | Gap In. (mm) | Torque Ft. Lbs. (N.m) | ||
|---|---|---|---|---|
| B2200 (Carbureted) | .031 (.80) | 13 (18) | ||
| (1) RX7 | .055 (1.3) | 11 (15) | ||
| All Others | .041 (1.0) | 13 (18) | ||
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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.