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 MANUALSFORD2005E 150 V10-6.8L VIN SREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSEVAPORATIVE EMISSIONS SYSTEMTESTING AND INSPECTIONEVAPORATIVE EMISSION SYSTEM LEAK TEST
2005 Ford E 150 V10-6.8L VIN S
Evaporative Emission System Leak Test
2005 Ford E 150 V10-6.8L VIN SSECTION Evaporative Emission System Leak Test
EVAPORATIVE EMISSION SYSTEM LEAK TEST
Special Tool(s)
Phase 1 - Leak Verification
1. Connect the Rotunda Smoke Machine Leak Tester to the evaporative emission (EVAP) test port.
2. Close the canister vent solenoid.
3. Using the Rotunda Smoke Machine, pressurize the EVAP system.
4. Monitor the indicator flag on the Smoke Machine Tester. If the measurement is below the indicator flag, the system has passed the leak test and the test procedure is complete. If the measurement is above the indicator flag the system has failed the leak test. Proceed to Phase 2.
Phase 2 - System Leak Check
1. Introduce smoke from the Rotunda Smoke Machine into the EVAP system.
2. Use the halogen light provided with the Smoke Machine to look for smoke coming from the EVAP system. This will indicate a leak point.
3. Repair any leaks as necessary.
4. Repeat the leak test until the system passes.
VACUTEC Smoke Machine Fuel EVAP Emissions System Tester:
Special Tool(s)
Phase 1 - Leak Verification
1. Connect the Rotunda Smoke Machine Leak Tester to the evaporative emission (EVAP) test port.
2. Close the canister vent solenoid.
3. Using the Rotunda Smoke Machine, pressurize the EVAP system.
4. Monitor the indicator flag on the Smoke Machine Tester. If the measurement is below the indicator flag, the system has passed the leak test and the test procedure is complete. If the measurement is above the indicator flag the system has failed the leak test. Proceed to Phase 2.
Phase 2 - System Leak Check
1. Introduce smoke from the Rotunda Smoke Machine into the EVAP system.
2. Use the halogen light provided with the Smoke Machine to look for smoke coming from the EVAP system. This will indicate a leak point.
3. Repair any leaks as necessary.
4. Repeat the leak test until the system passes.
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.