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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 662 (Evaporative Emissions System - Excursion & F250-F550 Super Duty) >> General Procedures >> Evaporative Emission System Leak Test

Evaporative Emission System Leak Test

WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, 2004 Ford Excursion, and 2004 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Special Tool(s) 

Fig 1: Identifying Special Tool(s)
G02773396Courtesy of FORD MOTOR CO.
CAUTION: The evaporative emission system must not be pressurized to more than 3.48 kPa (14 inches H2 O) or damage to the evaporative emission system may occur.
  1. Connect the Evaporative Emission System Leak Tester to the evaporative emission test port.
  2. For OBD II vehicles, close the canister vent solenoid. Refer to CANISTER VENT SOLENOID CLOSING PROCEDURE .

    For Non-OBD II vehicles, plug the EVAP canister vent or the EVAP canister vent tube.

  3. Pressurize the evaporative emissions system to 3.48 kPa (14 inches H2 O).
  4. Monitor the system for two minutes. The EVAP system fails the leak test if the pressure falls below 2.0 kPa (8 inches H2 O).
  5. Repair any leaks as necessary.
  6. Repeat the Evaporative Emission System Leak Test until the system remains above 2.0 kPa (8 inches H2 O) after the two-minute test period.
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