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Ford
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1990
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Pickup F150, 2D Pickup, 5.0 N, RWD, Standard, M5OD-R2
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Tests W/Codes
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Test H - Fuel Control
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Code 43
Code 43
HEGO indicated that the fuel system was lean during WOT for more than 3 seconds.