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 MANUALSFORD1994RANGER 2WD L4-140 2.3L SOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMIGNITION CONTROL MODULESERVICE AND REPAIR
1994 Ford Ranger 2WD L4-140 2.3L SOHC
Ignition Control Module: Service and Repair
1994 Ford Ranger 2WD L4-140 2.3L SOHCSECTION Service and Repair
REMOVAL
1. Identify, then disconnect electrical connectors from Ignition Control Module (ICM) assembly by pushing down on the connector locking tabs. Tabs are marked PUSH.
2. Remove three retaining screws, then the ICM from the lower intake manifold.
INSTALLATION
NOTE: The ICM mounting surface must be clean.
1. Apply a 1/32 inch coat of silicone dielectric compound to the mounting surface of the ICM.
2. Mount ICM to the intake manifold. Install screws and torque to 22-31 lb. in. (2.5-3.5 Nm).
3. Connect electrical connectors to ignition module.
1. Identify, then disconnect electrical connectors from Ignition Control Module (ICM) assembly by pushing down on the connector locking tabs. Tabs are marked PUSH.
2. Remove three retaining screws, then the ICM from the lower intake manifold.
INSTALLATION
NOTE: The ICM mounting surface must be clean.
1. Apply a 1/32 inch coat of silicone dielectric compound to the mounting surface of the ICM.
2. Mount ICM to the intake manifold. Install screws and torque to 22-31 lb. in. (2.5-3.5 Nm).
3. Connect electrical connectors to ignition module.
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.