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 MANUALSJEEP1986CHEROKEE BASE, 2D UTILITY, 2.8 W, RWD, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEM2.5L FEEDBACK CARBURETOR TESTINGTESTINGTEST CHART MENU
1986 Jeep Cherokee Base, 2D Utility, 2.8 W, RWD, Automatic
Test Chart Menu
1986 Jeep Cherokee Base, 2D Utility, 2.8 W, RWD, AutomaticSECTION Test Chart Menu
SYSTEM TEST CHARTS
| Chart No. | Test |
|---|---|
| No. 1 | Operational Test |
| No. 2 | Switch Test |
| No. 3 | Closed Loop Test |
| No. 4 | Knock Test |
| No. 5 | Oxygen Sensor and Closed Loop Test |
| No. 6 | "Downstream" Solenoid Test |
| No. 7 | "Upstream" Solenoid Test |
| No. 8A | Bowl Vent Test |
| No. 8B | PCV Shut-Off Test |
| No. 8C | Anti-Diesel System Test |
| No. 9 | Idle Speed Control System Test |
| No. 10 | Sole-Vac Vacuum Switching Relay Test |
| No. 11 | Basic Engine Test |
RENDER: 1.0x
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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.