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Ford
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1990
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Probe LX, Automatic
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Repair and Diagnosis (Single Page)
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Engine Performance
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Testing & Diagnosis
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Engine Controls - Tests W/Codes - 3.0L
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Test H - Fuel Control
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Code 86
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Code 86
Code 86
If Code 41 also displayed, service it first.
Low fuel pressure, low pressure pump or restricted fuel supply.
Low fuel flow, clogged injectors or low battery voltage.