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 MANUALSEAGLE1989SUMMIT LX, 1.6 Y, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMBASIC TESTINGIDLE SPEED & IGNITION TIMING
1989 Eagle Summit LX, 1.6 Y, Standard
Idle Speed & Ignition Timing
1989 Eagle Summit LX, 1.6 Y, StandardSECTION Idle Speed & Ignition Timing
- Ensure vehicle is at operating temperature, all accessories are off and transmission is in Park or Neutral. Vehicle front wheels must be in straight-ahead position and curb idle speed set to specification. If vehicle is equipped with a dual diaphragm distributor, go to next step. If vehicle is equipped with an ignition timing adjustment connector, go to step 3).
- Disconnect vacuum hose farthest from distributor. Plug vacuum hose. Check ignition basic timing. Connect vacuum hose to distributor. Check ignition actual timing. Refer to IGNITION TIMING table in this article.
- Ground ignition timing adjustment connector. Timing adjustment connector is a Yellow/Red wire at left of center, on firewall. Check ignition basic timing.
- Disconnect ground wire on ignition timing adjustment connector. Check ignition actual timing. Refer to IGNITION TIMING table.
IGNITION TIMING (Degrees BTDC @ RPM)
| Application | Basic | (1) Actual | ||
|---|---|---|---|---|
| 1.5L | 5 @ 650-850 | 15 @ 650-850 | ||
| 1.6L | 5 @ 650-850 | 8 @ 650-850 | ||
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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.