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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Engine Control System & Fuel System - 6.6L (LLY) - DTC P0401 To DTC P2510) >> DTC P2267 >> Circuit/System Description

Circuit/System Description

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A sensor mounted in the bottom of the fuel filter housing is used to detect water in the fuel. The water in fuel (WIF) sensor has an indicator control circuit and a low reference circuit. The engine control module (ECM) monitors the voltage to the WIF sensor. If the voltage is incorrect, the ECM will illuminate the WIF lamp and set the appropriate DTC.

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