Country Squire V8-302 5.0L VIN F FI (1988)
Throttle Position Sensor: Customer Interest
Engine - Rough Idle/Hesitation/Stall At Idle
Article No. 88-9-8
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IDLE - ROUGH - 5.0L - THROTTLE POSITION SENSOR - VEHICLES BUILT BETWEEN 10/20/87 AND 2/15/88
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HESITATION - 5.0L - THROTTLE POSITION SENSOR - VEHICLES BUILT BETWEEN 10/20/87 AND 2/15/88
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STALL - AT IDLE - 5.0L - THROTTLE POSITION SENSOR - VEHICLES BUILT BETWEEN 10/20/87 AND 2/15/88
FORD:
1988 MUSTANG, THUNDERBIRD, CROWN VICTORIA
LINCOLN-MERCURY: 1988 COUGAR, GRAND MARQUIS, MARK VII, LINCOLN TOWN CAR
ISSUE:
Intermittent rough idle, hesitation, or stall at idle may be caused by a broken wire inside the throttle position sensor.
ACTION:
To correct this, use the following diagnostic procedure to determine if the throttle position sensor requires replacement. Refer to the
throttle position application chart on this page for the correct service part.
1.
Perform EEC IV Quick Test.
2.
If Service Codes "23" or "63" are present or Service Code "63" is present in continuous memory, install a new throttle position sensor.
NOTE:
THROTTLE POSITION SENSORS WITH A DATE CODE OF 8A13B (JANUARY 13, 1988) OR LATER AND A GREEN DOT ARE
OKAY.
THROTTLE POSITION SENSOR APPLICATION CHART
Vehicle Application
Service Part Number
Mustang (5.0L H.O.)
E8ZZ-9B989-A
Thunderbird/Cougar
E8ZZ-9B989-A
Crown Victoria/Grand Marquis
E8AZ-9B989-A
Mark VII (5.0L H.O.)
E8ZZ-9B989-A
Lincoln Town Car
E8AZ-9B989-A
PART NUMBER
PART NAME
CLASS
E8AZ-9B989-A
Throttle Position Sensor
B
E8ZZ-9B989-A
Throttle Position Sensor
B
OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: Eligible Under Basic Warranty Coverage
OPERATION: 880908A
TIME:
1.2 Hrs. DLR. CODING: Basic Part No. DRIVE
Condition Code:
P2