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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 751 (Engine Controls - Diagnostic Methods - CNG, Flex-Fuel & Gasoline) >> Adaptive Fuel DTCs Diagnostic Techniques >> P0172/P0175 System Too Rich Diagnostic Aids >> Base Engine

Base Engine

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Engine oil contaminated with fuel can contribute to a rich running engine.