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 PERFORMANCETESTING & DIAGNOSISFUEL INJECTION SYSTEM - MULTI-POINTTESTINGSYSTEM TESTINGEGR SOLENOID TEST
1987 Jeep Cherokee Limited
EGR Solenoid Test
1987 Jeep Cherokee LimitedSECTION EGR Solenoid Test
- Verify that vacuum is present at vacuum fitting "C" of the EGR solenoid. See Fig 1 . Remove vacuum connector from "A" and "B". Connect a vacuum gauge to "B".
- Start and idle the engine. There should be no vacuum at "B". Disconnect electrical connector "D" from the solenoid. There should now be vacuum at "B".
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.