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.
1991 Subaru XT StandardFACTORY OEM SERVICE PROCEDURE
Spark Plugs
SPARK PLUG TYPE
| Application | NGK | Nippondenso | ||||
|---|---|---|---|---|---|---|
| All Engines | (1) BPR6ES-11 | (2) W20EPR-U11 | ||||
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SPARK PLUG SPECIFICATIONS
| Application | Gap In. (mm) | TorqueFt. Lbs. (N.m) |
|---|---|---|
| All Engines | .039-.043 (1.0-1.1) | 15 (20) |
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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