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TSB Main Page
TSB
04-11-1
  • DRIVEABILITY - STREAMLINED DIAGNOSTIC PROCEDURE FOR VEHICLES WITH MIL ON AND DTCS P0401, P0402, P1400 OR P1401 - ADDITIONAL SYMPTOMS MAY INCLUDE RUNS ROUGH, LACKS POWER, SURGE, POOR FUEL ECONOMY
Publication Date: May 25, 2004

FORD:
2000-2002 TAURUS
2001-2002 CROWN VICTORIA, FOCUS, MUSTANG
2001 EXPLORER USPS
2001-2002 E-SERIES, ESCAPE, EXPEDITION, EXPLORER SPORT TRAC, EXPLORER SPORT, F-150, RANGER, WINDSTAR
2002-2003 EXPLORER
LINCOLN:
2001-2002 TOWN CAR
MERCURY:
2000-2002 SABLE
2001-2002 COUGAR, GRAND MARQUIS
2002-2003 MOUNTAINEER

This article supersedes TSB 04-3-1 to update service part information and applications.

ISSUE:

Some vehicles may exhibit a malfunction indicator lamp (MIL) "ON" with or without the following symptoms: Rough Running, Lack of Power, Surge or Poor Fuel Economy, along with diagnostic trouble codes (DTC's) P0401, P0402, P1400 or P1401. This may be caused by an intermittently functioning tube-mounted delta pressure feedback EGR (DPFE) sensor (Figure 1).

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