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Home >> Ford >> 2000 >> Contour SE, 2.0 3, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1953 (Evaporative Emissions System - F250-F550) >> General Procedures >> Evaporative Emission System Leak Test >> Phase 2 - System Leak Check

Phase 2 - System Leak Check

WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the smoke machine emissions tester to the EVAP test port. For additional information, refer to the manufacturer's instructions.
    2. CAUTION: The canister vent solenoid must not be energized for more than 9 minutes at one time. Once the canister vent solenoid is energized and de-energized, adequate time must be allowed for the component to cool adequately. Failure to allow the component to cool may create a false failure in the diagnostics, causing unnecessary repairs.
  2. Using the scan tool, close the canister vent solenoid.
  3. Introduce smoke from the smoke machine emissions tester into the EVAP system. For additional information, refer to the manufacturer's instructions.
  4. Use the halogen light provided with the smoke machine emissions tester to look for smoke coming from the EVAP system. This will indicate a leak point.
  5. Repair any leaks as necessary.
  6. Repeat the leak test until the system passes.
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