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 MANUALSMERCURY2005SABLE V6-3.0L DOHC VIN SREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULESERVICE AND REPAIR
2005 Mercury Sable V6-3.0L DOHC VIN S
Engine Control Module: Service and Repair
2005 Mercury Sable V6-3.0L DOHC VIN SSECTION Service and Repair
POWERTRAIN CONTROL MODULE (PCM)
Removal and Installation
All vehicles
1. Disconnect the battery ground cable.
2. Remove the wiper mounting arm and pivot shaft assembly.
Vehicles with 3.0L 2V engine
3. Remove the intake manifold runner (IMRC) control valve.
1 Disconnect the IMRC valve electrical connector.
2 Remove the IMRC valve retainer screws and the IMRC valve.
All vehicles
4. Disconnect the powertrain control module (PCM) electrical connector and remove the gasket.
Vehicles with 3.0L 2V engine
5. Disconnect the vacuum hose from the exhaust gas recirculation (EGR) valve.
6. Remove the EGR vacuum regulator solenoid inboard fastener.
7. Loosen the outboard EGR vacuum regulator solenoid retaining screw and rotate the unit out of the way to allow clearance for PCM removal.
All vehicles
8. Remove the retaining bolts and the PCM.
9. To install, reverse the removal procedure.
Removal and Installation
All vehicles
1. Disconnect the battery ground cable.
2. Remove the wiper mounting arm and pivot shaft assembly.
Vehicles with 3.0L 2V engine
3. Remove the intake manifold runner (IMRC) control valve.
1 Disconnect the IMRC valve electrical connector.
2 Remove the IMRC valve retainer screws and the IMRC valve.
All vehicles
4. Disconnect the powertrain control module (PCM) electrical connector and remove the gasket.
Vehicles with 3.0L 2V engine
5. Disconnect the vacuum hose from the exhaust gas recirculation (EGR) valve.
6. Remove the EGR vacuum regulator solenoid inboard fastener.
7. Loosen the outboard EGR vacuum regulator solenoid retaining screw and rotate the unit out of the way to allow clearance for PCM removal.
All vehicles
8. Remove the retaining bolts and the PCM.
9. To install, reverse the removal procedure.
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.