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 MANUALSJEEP1985CJ-7 L6-258 4.2L VIN C 2-BBLREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULESERVICE AND REPAIR
1985 Jeep CJ-7 L6-258 4.2L VIN C 2-bbl
Engine Control Module: Service and Repair
1985 Jeep CJ-7 L6-258 4.2L VIN C 2-bblSECTION Service and Repair
The MCU is located under instrument panel to the left of the blower housing.
1. Remove MCU attaching bolts, disconnect electrical connector and remove MCU.
2. Reverse procedure to install, ensuring that connector terminals are not forced out of position or bent when reconnecting connector.
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.