Town Car V8-4.6L SOHC VIN W (1999)
PROM - Programmable Read Only Memory: All Technical Service Bulletins
PCM - Idle Dip After Tip In/Tip Out/Spark Knock
ARTICLE NO.
00-6-2
DATE:
March 20, 2000
SUBJECT:
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IDLE-IDLE DIP AFTER TIP IN/TIP OUT MANUVER-VEHICLES BUILT THROUGH 1/31/99
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SPARK KNOCK-LIGHT ACCELERATION AND/OR UNDER A LIGHT LOAD-VEHICLES BUILT THROUGH 1/31/1999
LINCOLN:
1998-1999 TOWN CAR
ISSUE
Some vehicles may have the following concerns:
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Idle dip after a tip-in/tip-out maneuver. Spark knock/detonation on acceleration or light load.
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These concerns may be caused by the Powertrain Control Module (PCM) calibration.
ACTION
Verify the use of 91 octane fuel as recommended in the Owner Guide and by the sticker on the fuel filler door. Reprogram the PCM to the latest
calibration. Refer to the Recalibration Information Chart for correct recalibration information.
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.
OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage And Emission Warranty Coverage
OPERATION
DESCRIPTION
TIME
000602A
Reprogram Powertrain
0.4 Hr.
Control Module (PCM)
