This publication contains material that is reproduced and distributed under a license from Ford Motor Company. No further reproduction or distribution of the Ford Motor Company material is allowed without the express written permission of Ford Motor Company.


TSB Main Page
TSB
00-1-7
  • DETONATION - MIL ILLUMINATED - DIAGNOSTIC TROUBLE CODES (DTCS) P0133, P0171 AND/OR P1131 STORED IN MEMORY - VEHICLES WITH 5.4L ENGINE BUILT BEFORE 11/1/1997
  • HESITATION/STUMBLE - MIL ILLUMINATED - DIAGNOSTIC TROUBLE CODES (DTCS) P0133, P0171 AND/OR P1131 STORED IN MEMORY - VEHICLES WITH 5.4L ENGINE BUILT BEFORE 11/1/1997
  • MALFUNCTION INDICATOR LAMP (MIL) - MIL ILLUMINATED - DIAGNOSTIC TROUBLE CODES (DTCS) P0133, P0171 AND/OR P1131 STORED IN MEMORY - VEHICLES WITH 5.4L ENGINE BUILT BEFORE 11/1/1997
  • ROUGH IDLE - MIL ILLUMINATED - DIAGNOSTIC TROUBLE CODES (DTCS) P0133, P0171 AND/OR P1131 STORED IN MEMORY - VEHICLES WITH 5.4L ENGINE BUILT BEFORE 11/1/1997
  • STALL/NEAR STALL - AT IDLE AND/OR LOW SPEEDS - MIL ILLUMINATED - DIAGNOSTIC TROUBLE CODES (DTCS) P0133, P0171 AND/OR P1131 STORED IN MEMORY - VEHICLES WITH 5.4L ENGINE BUILT BEFORE 11/1/1997
  • LAMP - MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED - DIAGNOSTIC TROUBLE CODES (DTCS) P0133, P0171 AND/OR P1131 STORED IN MEMORY - VEHICLES WITH 5.4L ENGINE BUILT BEFORE 11/1/1997
Publication Date: DECEMBER 22, 1999

FORD:
1997-1998 EXPEDITION, F-150, F-250 LD
LINCOLN:
1998 NAVIGATOR

This TSB article is being republished in its entirety to update the Service Procedure.

ISSUE:

The Malfunction Indicator Lamp (MIL) may illuminate and Diagnostic Trouble Codes (DTCs) P0133, P0171 and/or P1131 may be stored in memory. Additionally, there may be one or more of the following driveability symptoms:

  • Hesitation
  • Stumble
  • Surge
  • Miss
  • Rough idle
  • Near stall or stall at idle
  • Detonation on acceleration

This may be caused by cold condensate from the A/C system dripping onto the Heated Exhaust Gas Oxygen (HEGO) sensor causing thermocycling of the HEGO sensor.

....


To access the rest of this feature you must be a logged in Registered User Of Ford Truck Enthusiasts

Registration is free, easy and gives you access to more features.
If you are not registered, click here to register.
If you are already registered, you can login here.

If you are already logged in and are seeing this message, your web browser is blocking session cookies. Change your browser cookie settings to allow session cookies.




Advertising - Terms of Use - Privacy Policy - Jobs

This forum is owned and operated by Internet Brands, Inc., a Delaware corporation. It is not authorized or endorsed by the Ford Motor Company and is not affiliated with the Ford Motor Company or its related companies in any way. Ford is a registered trademark of the Ford Motor Company.