Frontier 2WD V6-3.3L (VG33E) (2003)
10. Use shop air to thoroughly dry the vertical surface of the Fuel Sending Unit Connectors, then remove the Connector Cover. See Figure 9.
11. Inspect the Fuel Pump Connector for green corrosion.
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Inspection is NOT required for the Fuel Level Sensor Connector.
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Use a mirror (if needed) to look at the connector.