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Home >> Cadillac >> 2018 >> Escalade Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Engine Controls And Fuel - 6.0L (L96) - DTC P0351 To DTC P2636 And Diagnostic Information And Procedures) >> Diagnostic Information And Procedures >> Alcohol/Contaminants-In-Fuel Diagnosis >> Circuit/System Testing >> Particulate Contaminants in Fuel

Particulate Contaminants in Fuel

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. Using an approved fuel container, draw approximately 0.5 liter (0.53 qt) of fuel from the bottom of the fuel tank.
  2. Place the container on a level surface for approximately 5 min in order to allow settling of the particulate contamination. Particulate contamination will show up in various shapes and colors. Sand will typically be identified by a white or light brown crystals. Rubber will appear as black and irregular particles.
  3. Verify there are no physical contaminants or water present in the fuel sample.
    • If any physical contaminants or water are present 

      Clean the fuel system.

    • Go to next step: If no physical contaminants or water are present 
  4. All OK.