Fulltext TSBs

Technical Service Bulletins

TSB
01-24-3
  • DRIVEABILITY – BI-FUEL – REDUCED ENGINE POWER, RPM DIP OR IDLE SURGE GREATER THAN 200 RPM IMMEDIATELY FOLLOWING TIP-IN FROM A STOP – OPERATING IN ALTERNATIVE FUEL MODE – VEHICLES EQUIPPED WITH 5.4L BI-FUEL ENGINE ONLY
Publication Date: NOVEMBER 29, 2001

FORD:
2000-2001 F-150

This article is being republished in its entirety to update the Calibration Information Chart.

ISSUE:

Some Bi-Fuel equipped vehicles may exhibit reduced engine power, RPM dip or idle surge greater than 200 RPM immediately following tip-in, from a stopped position, using less than 1/4 throttle application, while operating on alternative fuel mode only. This may be caused by the calibration of the Powertrain Control Module (PCM).

ACTION:

Verify the condition. If normal diagnostics cannot pinpoint the condition, reprogram the PCM to the latest level calibration. Refer to the following PCM Calibration Information chart for details.

SERVICE INFORMATION


PCM CALIBRATION INFORMATION
ApplicationOld Part Number (-12A650-)Tear TagNew Part Number (-12A650-)Old CalibrationNew CalibrationNGS/WDS Qualifier
2000 F150 3.55 Axle RatioYL3F-ARAPMZ1YU7A-AVB0F51410B000F51410B00WDS Release B16.2 or Later
2001 F150 3.55 Axle Ratio1L3A-BABKVE21L3A-BAD1F51410B101F51410B10WDS Release B16.2 or Later
2001 F150 3.55 Axle Ratio1L3A-BACKVE21L3A-BAD1F51410B111F51410B11WDS Release B16.2 or Later
2001 F150 3.73 Axle Ratio1L3A-BBBPQJ21L3A-BBD1F51420B101F51420B10WDS Release B16.2 or Later
2001 F150 3.73 Axle Ratio1L3A-BBCPQJ21L3A-BBD1F51420B111F51420B11WDS Release B16.2 or Later

Obtain an Authorized Modifications Decal (FPS 8262 – obtainable through DOES II, 25/pkg) and list the date, dealer number, and summary of modifications performed. Select a prominent place adjacent to the Vehicle Emission Control Information Decal suitable for installing the Authorized Modifications Decal. Clean the area, install the decal, and cover it with a clear plastic decal shield.


AUTHORIZED MODIFICATIONS

THE FOLLOWING MODIFICATIONS HAVE BEEN MADE:
Reprogrammed Powertrain Control Module (PCM) Per TSB 01-24-3
 
 
 
THESE MODIFICATIONS HAVE BEEN APPROVED, AS APPROPRIATE, BY EPA AND CARB.
DEALER NUMBER:——————————————DATE:

CHANGE AUTHORITY:

FPS 8262 9/78 FORD MOTOR COMPANY PRINTED IN U.S.A.



OTHER APPLICABLE ARTICLES:

00-06-11

SUPERSEDES:

01-15-3

WARRANTY STATUS:

Information Only

OASIS CODES:

607000, 607400, 607500, 617400, 618400, 619400


Copyright © 2001 Ford Motor Company