System Tests (Evaporative Emission): Notes

WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2002 Lincoln Town Car, 2002 Lincoln Navigator, 2002 Lincoln LS, 2002 Lincoln Continental, and 2002 Lincoln Blackwood. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: On Cougar, evaporative emission diagnostic procedures are not available from manufacturer.

NOTE: Prior to performing any system test, see HOW TO USE SYSTEM TESTS under SYSTEM TESTS. If instructed to replace Powertrain Control Module (PCM) after performing a system test, new PCM must be programmed. See PROGRAMMING PCM .

Perform these tests when instructed during QUICK TEST or if directed here from another article or from DIAGNOSTIC TROUBLE CODE DEFINITIONS . Perform appropriate evaporative emission system test. See EVAPORATIVE EMISSIONS DIAGNOSTIC TROUBLE CODE DEFINITIONS . For emission-related symptom tests, see EXCESSIVE FUEL ODOR, HISSING SOUND WHEN REMOVING FUEL CAP or UNABLE TO REFUEL VEHICLE under EVAPORATIVE EMISSION SYSTEM TESTS in appropriate SYSTEM & COMPONENT TESTING article.

NOTE: To identify EVAP system components, see appropriate illustration. See Fig 1-Fig 8 .

Fig 1: Identifying EVAP System Components (Blackwood, Econoline, Expedition, Explorer Sport, Explorer Sport Trac, F150 Pickup, Navigator, Ranger & Windstar)