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 MANUALSEAGLE1988EAGLE WAGON L6-258 4.2LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULESERVICE AND REPAIR
1988 Eagle Eagle Wagon L6-258 4.2L
Engine Control Module: Service and Repair
1988 Eagle Eagle Wagon L6-258 4.2LSECTION Service and Repair
The microprocessor unit is located in the passenger compartment on the right hand side behind the kick panel.
1. Remove MCU attaching bolts.
2. Disconnect harness connectors. Make sure that connector terminals are not forced out of position or bent when reconnecting connector.
3. Reverse procedure to install. The ECM bracket is insulated from the vehicle. Do not ground it.
1. Remove MCU attaching bolts.
2. Disconnect harness connectors. Make sure that connector terminals are not forced out of position or bent when reconnecting connector.
3. Reverse procedure to install. The ECM bracket is insulated from the vehicle. Do not ground it.
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.