Engine - Hard Starting/Long Crank/Stalling
Article No.97-9-5
04/28/97
LONG CRANK - STICKING IDLE AIR CONTROL (IAC) VALVE - VEHICLES BUILT FROM 11/1/94 THROUGH 3/30/96
STALL - AFTER STARTING WHEN ENGINE ALLOWED TO SOAK FROM 1-4 HOURS - STICKING IDLE AIR CONTROL (IAC) VALVE - VEHICLES BUILT FROM 1/11/94 THROUGH 3/30/96
FORD:
1995-96 CONTOUR, CROWN VICTORIA, ESCORT, TAURUS, THUNDERBIRD
1996 MUSTANG
LINCOLN-MERCURY:
1995-96 CONTINENTAL, COUGAR, GRAND MARQUIS, MARK VIII, MYSTIQUE, SABLE, TOWN CAR, TRACER
LIGHT TRUCK:
1995-96 AEROSTAR, BRONCO, ECONOLINE, F-150-350 SERIES, RANGER, WINDSTAR
1996 EXPLORER
This TSB article is being republished in its entirety to include the 1995 4.6L Thunderbird/Cougar.
ISSUE:
After a 1-4 hour engine soak time, long crank times and/or long crank to start followed by a stall may occur on some vehicles. No further stalling or rough idle will occur after the engine is running. The long crank and/or stall may be due to the Idle Air Control (IAC) Valve sticking.
ACTION:
Replace the AC Valve with a revised AC Valve if no Diagnostic Trouble Codes (DTCs) are present. Refer to the following Service Procedure for details.
SERVICE PROCEDURE
1. Perform normal diagnostics and correct any DTCs as required by referring to the appropriate year Powertrain Control/Emissions Diagnosis (PC/ED) Service Manual.
2. If no codes are present, replace the AC Valve by referring to the appropriate model/year Service Manual, Section 03-14. Refer to the following Idle Air Control Valve Application Chart for proper IAC usage.
Parts Block
OTHER APPLICABLE ARTICLES: NONE
SUPERSEDES: 96-22-3
WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage And Emissions Warranty Coverage
OPERATION DESCRIPTION TIME
970905A Replace Idle Air Control 0.2 Hr.
(AC) Valve - 1995-96
Escort/Tracer 1.9L
970905B Replace Idle Air Control 0.2 Hr.
(IAC) Valve - 1995-96
Contour/Mystique 2.5L
970905C Replace Idle Air Control 0.2 Hr.
(IAC) Valve - 1996
Taurus/Sable 3.0L 2-Valve
970905D Replace Idle Air Control 0.2 Hr.
(IAC) Valve - 1996 Taurus
SHO 3.4L
970905E Replace Idle Air Control 0.3 Hr.
(IAC) Valve - 1995 Taurus
3.0L 2-Valve And SHO
3.2L
970905F Replace Idle Air Control 0.3 Hr.
(IAC) Valve - 1995
Taurus/Sable 3.0L 2-Valve
And 3.8L
970905G Replace Idle Air Control 0.3 Hr.
(IAC) Valve - 1995-96
Crown Victoria/Grand
Marquis/Town Car 4.6L
2-Valve
970905H Replace Idle Air Control 0.3 Hr.
(IAC) Valve - 1995-96
Continental 4.6L 4-Valve
970905I Replace Idle Air Control 0.3 Hr.
(IAC) Valve - 1995-96
Mark VIII 4.6L 4-Valve
970905J Replace Idle Air Control 0.3 Hr.
(IAC) Valve - 1996
Mustang 4.6L 2-Valve And
4-Valve
970905K Replace Idle Air Control 0.3 Hr.
(IAC) Valve - 1995-96
Ranger 2.3L And 3.0L
970905L Replace Idle Air Control 0.3 Hr.
(IAC) Valve - 1995-96
Aerostar 3.0L
970905M Replace Idle Air Control 0.3 Hr.
(IAC) Valve - 1995.96
Windstar 3.0L And 3.8L
970905N Replace Idle Air Control 0.4 Hr.
(IAC) Valve - 1995-96
Econoline 4.9L
9709050 Replace Idle Air Control 0.3 Hr.
(IAC) Valve - 1995-96
Econoline 5.0L And 5.8L
970905P Replace Idle Air Control 0.3 Hr.
(IAC) Valve - 1995-96
F-150-350 Series 4.9L,
5.0L And 5.8L
970905Q Replace Idle Air Control 0.3 Hr.
(IAC) Valve - 1996
Explorer 5.0L
970905R Replace Idle Air Control 0.4 Hr.
(IAC) Valve - 1995-96
Econoline 7.5L
970905S Replace Idle Air Control 0.3 Hr.
(IAC) Valve - 1995-96
F-150-350 Series 7.5L
970905T Replace Idle Air Control 0.2 Hr.
(lAC) Valve - 1996
Taurus/Sable 3.0L 4-Valve
970905U Replace Idle Air Control 0.3 Hr.
(IAC) Valve - 1995-96
Thunderbird/Cougar 4.6L
2-Valve
970905V Replace Idle Air Control 0.3 Hr.
(IAC) Valve - 1995-96
Bronco 5.0L And 5.8L
DEALER CODING
CONDITION
BASIC PART NO. CODE
9F715 41
OASIS CODES: 602300, 603300, 607000, 607400