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Streamlined Diagnostic Procedure For DTCS P0401, P0402, P1400 Or P1401 (04-3-1)

Publication date: 2004-06-14
Reference number: 04-3-1
Supersedes refnos: 03-2-2, 03-22-3, 03-6-1, 04-11-1

STREAMLINED DIAGNOSTIC PROCEDURE FOR DTCS P0401, P0402, P1400 OR P1401

STREAMLINED DIAGNOSTIC PROCEDURE FOR DTCS P0401, P0402, P1400 OR P1401

TECHNICAL SERVICE BULLETIN

Reference Number(s): 04-11-1, Date of Issue:  June 14, 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
Superceded Bulletin(s): 04-3-1, Date of Issue:  February 23, 2004

DESCRIPTION

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

NOTE: 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 (Fig 1 ).

Fig 1: Typical Tube-Mounted D.P.F.EGR Sensor
G00201511

ACTION

For vehicles equipped with a tube-mounted DPFE sensor, perform the following diagnostic procedure and repair action. This procedure supersedes the diagnostic procedure in the PC/ED Manual for the issue described above.

NOTE: ALL LISTED APPLICATIONS CAN NOW BE SERVICED WITH DPFE SENSOR 4U7Z-9J460-AA
NOTE: THIS ARTICLE APPLIES TO THE FULL MODEL YEAR FOR ALL VEHICLES LISTED EXCEPT THE FOLLOWING:
  • 2002 Taurus/Sable 3.0L DOHC - Built After May 2002
  • 2002 Taurus/Sable 3.0L OHV - Built After February 2002
  • 2002 Econoline And F-150 4.2L OHV - Built After April 9, 2002
  • 2003 Explorer 4dr/Mountaineer 4.6L SOHC - Built After February 2, 2003

SERVICE PROCEDURE

  1. Retrieve continuous DTC(s).
  2. If P0401, P0402, P1400 or P1401 are present, turn ignition OFF and replace the DPFE sensor.
  3. Clear continuous DTC(s).
  4. Perform key on engine off (KOEO) and key on engine running (KOER) self-test.
ENGINE APPLICATION CHART

Model Year Vehicle Line Engine Part
2001-2002 Cougar 2.5L DOHC 4U7Z-9J460-AA
2001-2002 Crown Victoria / Grand Marquis 4.6L SOHC 4U7Z-9J460-AA
2001-2002 Econoline 4.2L OHV 4U7Z-9J460-AA
2001 Econoline 4.6L SOHC 4U7Z-9J460-AA
2001-2002 Escape 2.0L Zetec and 3.0L DOHC 4U7Z-9J460-AA
2001-2002 Expedition 4.6L SOHC 4U7Z-9J460-AA
2002-2003 Explorer 4dr / Mountaineer 4.6L SHOC 4U7Z-9J460-AA
2002 Explorer 4dr / Mountaineer 4.0L SOHC 4U7Z-9J460-AA
2001-2002 Explorer Sport 4.0L SOHC 4U7Z-9J460-AA
2001-2002 Explorer Sport Trac 4.0L SOHC 4U7Z-9J460-AA
2001 Explorer USPS 4.0L SOHC 4U7Z-9J460-AA
2001-2002 Focus 2.0L Zetec 4U7Z-9J460-AA
2001-2002 F-Series 4.2L OHV and 4.6L SOHC 4U7Z-9J460-AA
2001-2002 Mustang 3.8L OHV 4U7Z-9J460-AA
2001-2002 Ranger 4.0L SOHC 4U7Z-9J460-AA
2000-2002 Taurus/Sable 3.0L DOHC 4U7Z-9J460-AA
2001-2002 Taurus/Sable 3.0L OHV and FFV 4U7Z-9J460-AA
2001-2002 Town Car 4.6L SOHC 4U7Z-9J460-AA
2001-2002 Windstar 3.8L OHV 4U7Z-9J460-AA

PARTS INFORMATION

PARTS INFORMATION

Part Number Part Name
4U7Z-9J460-AA DPFE Sensor

WARRANTY INFORMATION

WARRANTY STATUS: Eligible Under The Provisions Of New Vehicle Limited Warranty Coverage And Emissions Warranty Coverage.

LABOR OPERATION CLAIMING

Operation Labor Description Vehicle Time
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2001-2002 Escape 2.0L Zetec 0.4
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2001-2002 Escape 3.0L DOHC 0.4
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2001-2002 Focus 2.0L Zetec 0.4
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2001-2002 Cougar 2.5L DOHC 0.4
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2000-2002 Taurus/Sable 3.0L DOHC 0.4
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2001-2002 Taurus/Sable 3.0L OHV and FFV 0.4
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2001-2002 Mustang 3.8L OHV 0.4
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2001-2002 Windstar 3.8L OHV 0.4
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2001-2002 Explorer Sport 4.0L SOHC 0.4
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2001-2002 Explorer Sport Trac: 4.0L SOHC 0.4
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2002 Explorer /Mountaineer 4.0L SOHC 0.4
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2001 Explorer USPS 4.0L SOHC 0.4
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2001-2002 Ranger 4.0L SOHC 0.4
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2001-2002 Econoline 4.2L OHV 0.6
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2001-2002 F-Series 4.2L OHV 0.4
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2001-2002 Crown Victoria /Grand Marquis 4.6L SOHC 0.5
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2001 Econoline 4.6L SOHC 0.6
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2001-2002 Expedition 4.6L SOHC 0.5
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2001-2002 F-Series 4.6L SOHC 0.4
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2001-2002 Town Car: 4.6L SOHC 0.6
041101A Retrieve Diagnostic Trouble Codes, Replace Tube Mounted Delta Pressure Feedback Sensor (DPFE), Clear Continuous DTC's And Perform KOEO And KOER Retest 2002-2003 Explorer/Mountaineer 4.6L SOHC 0.5
DEALER CODING

Basic Part No. Condition Code
9J460 42
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