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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1369 (Engine Controls And Fuel - 6.6L - DTC P0016 To DTC P02E7) >> DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the connector of the fuel injector to be tested.
  2. Connect a DMM between the terminals of the fuel injector and measure the resistance. The resistance should be 0.2-0.3 ohms.
    • If the resistance is more than 0.2-0.3 ohms resistance, replace the fuel injector.
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