Escort L4-116 1.9L SOHC HO (1989)
Charts, For Vehicle
Application.
912507U
Service Kit Install -
1.2 Hr.
Aerostar, Econoline -
Refer To Service Procedure
Application Charts - For
Vehicle Application.
DEALER CODING
BASIC PART NO.
CONDITION CODE
9E926
49
OASIS CODES:
602300, 607000, 607400, 607700, 608400, 611500, 618400
Technical Service Bulletin # 91257
Date: 911213
Engine - Hard Cold Starts/Hesitation/Stalls On Start-Up
Article No.
91-25-7
12/13/91
^
HARD COLD START - DURING INITIAL START-UP, IDLE OR DECEL - EFI ENGINES - SLUDGE IN THROTTLE BODY AND/OR
IDLE AIR BY-PASS VALVE
^
HESITATION/STALLS - DURING INITIAL START-UP, IDLE OR DECEL - EFI ENGINES - SLUDGE IN THROTTLE BODY
AND/OR IDLE AIR BY-PASS VALVE
FORD:
1983-87 EXP
1983-91 ESCORT
1984-90 MUSTANG, THUNDERBIRD
1986-90 TAURUS
1986-91 CROWN VICTORIA
1988-90 TEMPO
LINCOLN-MERCURY:
1983-85 LN7
1983-87 LYNX
1984-88 CAPRI
1984-90 COUGAR
1986-90 CONTINENTAL, MARK VII, SABLE
1986-91 GRAND MARQUIS, TOWN CAR
1988-90 TOPAZ
1991 TRACER
LIGHT TRUCK:
1985-90 BRONCO II, BRONCO
1985-91 ECONOLINE, F-150-350 SERIES
1985-92 RANGER
1986-91 AEROSTAR
1991 EXPLORER
ISSUE:
Hard cold starts, hesitation and stalls on initial start-up or during idle or decel may be caused by sludge in the throttle body and/or idle
by-pass valve. Sludge deposits or oil film on the throttle body bore and plate or the idle air by-pass valve may cause one or more of the
following conditions.
^
Hard Cold Start
^
Stall On Initial Start-Up
^
Stall During Idle
^
Stall During Decel
^
Rough Idle
^
Rolling Idle