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 MANUALSFORD1996F 150 4WD PICKUP L6-300 4.9LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULESERVICE AND REPAIRREMOVAL AND REPLACEMENT
1996 Ford F 150 4WD Pickup L6-300 4.9L
Removal and Replacement
1996 Ford F 150 4WD Pickup L6-300 4.9LSECTION Removal and Replacement
Powertrain Control Module:
REMOVAL AND INSTALLATION
1. Disconnect battery negative cable.
NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the Powertrain Control Module (PCM) relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 miles) or more to relearn the strategy.
2. Loosen engine control sensor wiring to Powertrain Control Module (PCM) connector retainer bolt.
3. Remove engine control sensor wiring connector from PCM.
4. Remove the two PCM seal nuts. Loosen left fender liner screws and remove liner or bend down to clear PCM. Remove PCM from vehicle.
5. To install, follow removal procedures in reverse order. Tighten PCM retainer screw to 3-4 Nm (27-35 lb in). Tighten engine control sensor wiring connector retainer bolt to 4 Nm (35 lb in).
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.