EVAP - DTC's P0442/P0455/MIL ON/No Driveability Concerns: Overview

Article No.
99-23-4

11/15/99

MALFUNCTION INDICATOR LAMP (MIL) -
DIAGNOSTIC TROUBLE CODES (DTCS) P0442 AND
P0455 - NO DRIVEABILITY CONCERNS

FORD:
1997-2000 CROWN VICTORIA, TAURUS
1998-1999 ESCORT
1998-2000 CONTOUR, MUSTANG
2000 FOCUS
1996-2000 EXPLORER
1997 F-250 LD
1997-2000 E-150, EXPEDITION, F-150
1998-2000 RANGER, WINDSTAR
1999-2000 F-250

LINCOLN:
1997-2000 TOWN CAR
1998 MARK VIII
1998-2000 CONTINENTAL
2006 LS
1998-2000 NAVIGATOR

MERCURY:
1997-2000 GRAND MARQUIS, SABLE
1998-1999 TRACER
1998-2000 MYSTIQUE
1999-2000 COUGAR
1997-2000 MOUNTAINEER

This TSB article is being republished in its entirety to include vehicles built through the 2000 model year and to revise the following NOTE.

NOTE
FOR 1998 MODEL YEAR MUSTANG, THIS TSB IS ONLY APPLICABLE TO CALIFORNIA VEHICLES.

ISSUE
There may be difficulty diagnosing a vehicle with Malfunction Indicator Lamp (MIL) illuminated and Diagnostic Trouble Codes (DTCs) P0442 and P0455 stored in continuous memory with no driveability concerns present.

ACTION
Diagnose DTCs P0442 and P0455 by referring to the following Evaporative Emission (EVAP) Running Loss System Monitor Procedure, Service Bay Diagnostic System (SBDS) Static Leak Test, and EVAP Running Loss System Drive Cycle for details.

OTHER APPLICABLE ARTICLES: NONE
SUPERSEDES: 99-1-9
WARRANTY STATUS: INFORMATION ONLY
OASIS CODES: 206000, 698298