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 MANUALSJEEP1987CHEROKEE LIMITEDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMFUEL INJECTION SYSTEM - TBITESTINGPRELIMINARY CHECKS & PRECAUTIONSGENERAL PRECAUTIONS
1987 Jeep Cherokee Limited
General Precautions
1987 Jeep Cherokee LimitedSECTION General Precautions
In order to prevent injury to operator or damage to system or component parts, use following techniques:
- Turn ignition off before connecting or disconnecting any component parts.
- DO NOT apply DC voltage greater than 12 volts or any AC voltage to system.
- Disconnect battery cables before charging.
- Remove ECU from vehicle if ambient temperature could exceed 176°F (80°C).
- DO NOT modify or circumvent any system functions.
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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.