Engine Driveaway Hesitation in Midsize LTD V6-232 38L (1985)
Engine Control Module: All Technical Service Bulletins
Engine - Driveaway Hesitation
Article No. 85-4-19
HESITATION DRIVEAWAY - 3.8L - COLD START ABOVE 70~ AMBIENT TEMPERATURE
FORD 1984 AND 85 LTD, T-BIRD
LINCOLN-MERCURY 1984 MARQUIS, COUGAR
The above vehicles may experience driveaway hesitations during high ambient (+70~) cold starts and also during stabilized
engine temperatures. This condition is most prevalent during green engine operations (0-1500 odometer miles). If this
condition persists beyond 1,600 miles, perform Quick Test and verify that no other problems exist with the engine system. If
the hesitation persists, replace the processor as shown below.
Original Processor
Replace With
Application
E4VF-12A650-CA/EAE5VZ-12A650-CB 49 State
E53F-12A650-A
E5VZ-12A650-CB 49 State
E4VF-12A650-DA/FAE5VZ-12A650-DB California
E53F-12A650-AMA E5VZ-12A650-DB California
Authorized Modifications Decal
Obtain an Authorized Modifications decal and list the date, dealer number and summary of alterations performed. Select a
prominent place adjacent to the Vehicle Emission Control Information decal suitable for the Authorized Modifications decal.
Clean the area, install the decal and cover it with a clear plastic decal shield.
PART NUMBER
PART NAME CLASS
E5VZ-12A650-CB
Processor
A
E5VZ-12A650-DB
Processor
W
OTHER APPLICABLE ARTICLES:
NONE
WARRANTY STATUS:
Reimbursable within the provisions of the Warranty and Policy Manual.
OPERATION:
12650D TIME: 0.5 HR. 1265D6 TIME: 0.7 HR.
DLR. CODING: Basic Part No. Drive - Code: F8
