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.
1998 Mitsubishi MonteroFACTORY OEM SERVICE PROCEDURE
Spark Plugs
SPARK PLUG TYPE
| Application (1) | Nippondenso No. | |||||
|---|---|---|---|---|---|---|
| 1.5L (VIN A) | W16EPR-11 | |||||
| 1.8L (VIN C) | K16PR-U11 | |||||
| 2.0L (VIN F) | W20ETR-L8 Or W20EPR | |||||
| 2.0L (VIN Y) | (2) RC9YC5 | |||||
| 2.4L (VIN G) | K16PR-U11 | |||||
| 3.0L | ||||||
| (VIN H) | W16EPR11 | |||||
| (VIN J, K & P) | PK20PR-P11 | |||||
| 3.5L | ||||||
| (VIN P) | PK20PR-11 | |||||
| (VIN M) | PK16PR-P11 | |||||
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SPARK PLUG SPECIFICATIONS
| Application | (1) Gap In. (mm) | Torque Ft. Lbs. (N.m) | |||
|---|---|---|---|---|---|
| Diamante | .039-.043 (1.0-1.1) | 15-21 (20-30) | |||
| Eclipse 2.0L | |||||
| Non-Turbo | .048-.053 (1.2-1.4) | 20 (28) | |||
| Turbo | .028-.031 (.7-.8) | 18 (25) | |||
| All Others | .039-.043 (1.0-1.1) | 18 (25) | |||
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Factory Service Tools
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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.