Diagnostic Aids
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.
Perform this test only when directed by QUICK TEST. DTC P1450 will be set in PCM when EVAP running loss monitor detects more than -7.2 in. H2 O (-1.79 kPa) with engine running (but not at idle) for more than 30 seconds.