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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 929 (Engine Controls And Fuel - 4.8L, 5.3L, 6.0L And 6.2L - DTC P0010 To DTC P230) >> DTC P0128 >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2007 GMC Sierra, 2007 GMC Cab & Chassis Sierra, 2007 Chevrolet Silverado, and 2007 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Inspect the ECT sensor terminals for corrosion, and for engine coolant leaking through the sensor.

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