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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo Extended, 6.6 2 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 6.6L (LLY) - DTC P0401 To DTC P2510 >> DTC P2267 >> Circuit/System Testing

Circuit/System Testing

  1. Turn OFF the ignition and disconnect the water in fuel sensor.
  2. Turn ON the ignition and observe the Water in Fuel Sensor parameter with a scan tool.
    • If the voltage reads more than 4.75 volts, test for a short to voltage.
    • If the voltage reads less than 4.75 volts, refer to Water-in-Fuel Lamp Inoperative .
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