Ford Mustang (1999-2004) Service Manual: Evaporative Emission System Leak Test

Ford Mustang (1999-2004) Service Manual / Engine / Evaporative Emissions / Evaporative Emission System Leak Test

Special Tool(s)

Evaporative Emission System Tester 310-F007 (134-00056) or equivalent
Worldwide Diagnostic System (WDS) 418-F224, New Generation STAR (NGS) Tester 418-F052, or equivalent scan tool

CAUTION: The evaporative emission system must not be pressurized to more than 3.48 kPa (14 inches H 2 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. Close the canister vent solenoid. For additional information, refer to Canister Vent Solenoid Closing Procedure in this section.

3. Pressurize the evaporative emission system to 3.48 kPa (14 inches H 2 O).

4. Monitor the system for two minutes. The system fails the leak test if the pressure falls below 2.0 kPa (8 inches H 2 O).

5. Repair any leaks as necessary.

6. Repeat the leak test until the system remains above 2.0 kPa (8 inches H 2 O) after the twominute test period.

    Canister Vent Solenoid Closing Procedure
    Special Tool(s) Worldwide Diagnostic System (WDS) 418-F224, New Generation STAR (NGS) Tester 418-F052, or equivalent scan tool CAUTION: The canister vent solenoid must not be ...

    Evaporative Emission Repair Verification Drive Cycle
    Special Tool(s) Worldwide Diagnostic System (WDS) 418-F224, New Generation STAR (NGS) Tester 418-F052, or equivalent scan tool Drive Cycle Recommendations NOTE: The followi ...

    Other materials:

    Inspection and Verification
    1. Verify the customer concern is with the evaporative emission (EVAP) system. 2. Visually inspect for the following obvious signs of mechanical damage. Visual Inspection Chart Mechanical Fuel filler cap EVAP test port ...

    Pinpoint Tests
    PINPOINT TEST P1464: DTC P1464: A/C DEMAND OUT OF SELFTEST RANGE Test Step Result / Action to Take P14641 RECHECK FOR THE DTC YesGO to P14642 . No The system is functioning correctly. This DTC will set if the A/C is turned on when carryi ...

    Evaporator Core Housing
    Disassembly 1. Remove the evaporator core housing. For additional information, refer to Evaporator Core Housing in this section. 2. Remove the foam weather seal. 3. Remove the screws and remove the heater core. 4. Remove the screws and remove the A/C rec ...