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 MANUALSFORD2012F 150 2WD V8-6.2LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSEVAPORATIVE EMISSIONS SYSTEMLEAK DETECTION VALVESERVICE AND REPAIR
2012 Ford F 150 2WD V8-6.2L
Leak Detection Valve: Service and Repair
2012 Ford F 150 2WD V8-6.2LSECTION Service and Repair
Evaporative Emission Canister Vent Solenoid
Removal and Installation
WARNING: Always disconnect the battery ground cable at the battery when working on an evaporative emission (EVAP) system or fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.
WARNING: Do not smoke, carry lighted tobacco or have an open flame of any type when working on or near any fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Disconnect the battery ground cable.
3. Disconnect the Fuel Tank Pressure (FTP) sensor and vapor tube assembly-to-Evaporative Emission (EVAP) canister vapor tube quick connect coupling.
4. Disconnect the fuel tank supply tube-to-center fuel supply tube quick connect coupling.
5. Disconnect the front fuel supply tube-to-center fuel supply tube quick connect coupling.
6. Disconnect the front vapor tube-to-EVAP (Evaporative Emission) canister quick connect coupling.
7. Remove the vapor hose from the EVAP (Evaporative Emission) canister vent solenoid.
8. Disconnect the center fuel supply tube-to-frame pushpin retainer.
9. Disconnect the EVAP (Evaporative Emission) canister vent solenoid electrical connector and 2 pushpin retainers.
10. Remove the 4 EVAP (Evaporative Emission) canister assembly bolts and remove the EVAP (Evaporative Emission) canister from the vehicle.
- To install, tighten to 13 Nm (115 lb-in).
11. Place the EVAP (Evaporative Emission) canister assembly on a workbench.
12. Open the front retainer and position the center fuel supply tube out of the retainer.
13. NOTE: Before tightening the front bracket bolts, extend the front bracket as far forward as possible.
Remove the 2 bolts and the EVAP (Evaporative Emission) canister assembly front bracket from the EVAP (Evaporative Emission) canister.
- To install, tighten to 9 Nm (80 lb-in).
14. Remove the canister vent solenoid and dust box from the EVAP (Evaporative Emission) canister.
15. To install, reverse the removal procedure.
- Carry out the Evaporative Emission System Leak Test. For additional information, refer to Evaporative Emission System Leak Test Testing and Inspection.
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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.