1988 Ford Truck F 150 2WD Pickup L6-300 4.9L












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Fuel Gauge - Erratic Needle Movement
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Fuel Gauge - Erratic Needle Movement


Article No. 88-18-3
GAUGE - FUEL - ERRATIC NEEDLE (INDICATOR) MOVEMENT




FORD:
1987-88 MUSTANG,TAURUS

LINCOLN-MERCURY: 1987-88 SABLE 1988 LINCOLN TOWN CAR



LIGHT TRUCK:
1987-88 BRONCO, F-SERIES




ISSUE:
An erratic fuel gauge needle when the fuel tank is 1/2 to 1/4 full may be caused by excessive wear of the resistive film on the fuel pump sender assembly. The wear occurs during transporting of the vehicles via rail or truck over long distances. The fuel gauge will indicate correctly from a full tank to about 1/2 or 1/4 tank of fuel. When the fuel gauge needle is below the 1/2 to 1/4 tank range the needle will swing all the way above the full mark on the fuel gauge.




















ACTION:
To correct this, install a new fuel pump sender assembly. Refer to the appropriate 1988 Car/Light Truck Shop Manual, Section 24 for detailed service information. Refer to the following fuel pump sender application chart for the correct service part number.
PART NUMBER PART NAME CLASS
E8DZ-9H307-A Fuel Pump Sender AssemblyB
E8DZ-9H307-B Fuel Pump Sender Assembly AM
E8DZ-9H307-C Fuel Pump Sender Assembly AM
E8DZ-9H307-D Fuel Pump Sender AssemblyB
E8DZ-9H307-E Fuel Pump Sender AssemblyC
E8DZ-9H307-F Fuel Pump Sender AssemblyB
E8TZ-9H307-G Fuel Pump Sender AssemblyB
E7ZZ-9275-A Fuel Pump Sender AssemblyB
E9VY-9275-A Fuel Pump Sender AssemblyB
OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: Eligible Under Major Component Coverage
OPERATION: 881803A
TIME: 1.2 Hrs. - F Series Aft Of Axle Tank
0.9 Hr. - F Series Midship Tank
2.0 Hrs. - F Series Both Tanks
1.2 Hrs. - Bronco 1.4 Hrs. - Lincoln Town Car
0.9 Hr. - Mustang 1.0 Hr. - Taurus/Sable
DLR. CODING: Basic Part No. 9H307
Condition Code: 09

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