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.
1990 Isuzu Impulse AutomaticFACTORY OEM SERVICE PROCEDURE
Spark Plugs
SPARK PLUG TYPE
| Application | NGK | |||
|---|---|---|---|---|
| Amigo & Pickup | BPR6ES-11 | |||
| Impulse | BKR6E-11 | |||
| Trooper | ||||
| 2.6L | BPR5ES-11 | |||
| 2.8L | (1) | |||
|
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SPARK PLUG SPECIFICATIONS
| Application | Gap In. (mm) | Torque Ft. Lbs. (N.m) | |
|---|---|---|---|
| Amigo & Pickup | .040 (1.02) | 13-18 (18-24) | |
| Impulse | .040 (1.02) | 14 (19) | |
| Trooper | |||
| 2.6L | .040 (1.02) | 13 (18) | |
| 2.8L | .045 (1.14) | 22 (30) | |
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.
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