Gauge - Fuel - Fluctuating Fuel Level Gauge - Below 1/2 Tank - CFI With Dial Gauge
GAUGE - FUEL - FLUCTUATING FUEL LEVEL GAUGE - BELOW 1/2 TANK - CFI WITH DIAL GAUGEFORD 1983 T-BIRD - TURBO OR CFI VEHICLES
LINCOLN-MERCURY 1983 COUGAR
Fluctuating fuel level indications while driving may be caused by the fuel pump reservoir in the fuel tank emptying on turns, acceleration, or braking when the fuel tank contains 1/2 or less of fuel. The time delay in refilling the reservoir causes the fuel gauge to indicate less than actual level for a short period of time.
The 1984 fuel tanks on fuel injected vehicles have large refill ports which minimize fuel gauge level fluctuations. To service a 1983 vehicle with fluctuating fuel gauge resulting from slow reservoir refill will require replacing the fuel tank with a 1984 fuel tank. Refer to Shop Manual, Section 33-20-1 for normal fuel indicating system diagnosis.
PART NUMBER PART NAME CLASS
E4SZ-9002-B Fuel Tank B
OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: Reimbursable within the provisions of the Warranty and Policy Manual.
OPERATION: SP90002A84 - Fuel Tank R&I Replace
TIME: 0.9 Hr. DLR. CODING: Basic Part No. 9002 Code: 09
GAUGE - FUEL - FLUCTUATING FUEL LEVEL GAUGE - BELOW 1/2 TANK - CFI WITH DIAL GAUGE
FORD 1984 LTD
LINCOLN-MERCURY 1984 MARQUIS
Fuel gauge fluctuation occurs when the reservoir, which is located inside of the fuel tank, responds slowly to fuel level changes caused by vehicle driving maneuvers.
An improved reservoir design in the fuel tank alleviates this condition, and the fuel tank must be replaced to service the condition.
Procedure:
A new service fuel tank contains a modified reservoir with pierced slots and an enlarged return tube. These changes permit the reservoir to respond quicker to fuel level changes. This new tank assembly improves the gauge system response significantly on Station Wagons because the reservoir is centered in the tank. Less improvement can be expected on Sedans due to an off center reservoir.
PART NUMBER PART NAME CLASS
E5DZ-9002-A (Sedan) Fuel Tank Assy. R
E5DZ-9002-B (Sta. Wagn.) Fuel Tank Assy. C
OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: Reimbursable within the provisions of the Warranty and Policy Manual.
OPERATION: 9002A TIME 0.8 Hr. DLR. CODING: Basic Part No. 9002 Code: 09