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 AutomaticFACTORY OEM SERVICE PROCEDURE
3-Cylinder Ignition Timing: Justy
- Warm engine to normal operating temperature. Place transmission in Neutral and turn off all accessories. Disconnect test mode and read memory connectors. See Fig 1 .
- Start engine and check ignition timing. If necessary, loosen distributor hold-down bolt and adjust ignition timing by rotating distributor. Reconnect test mode and read memory connectors.
3-CYLINDER IGNITION TIMING
| Application | (1) Degrees BTDC @ RPM | ||
|---|---|---|---|
| M/T | 5 @ 800 | ||
| A/T | 5 @ 850 | ||
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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.
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