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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 >> Fuel System Diagnosis >> Circuit/System Testing >> Fuel Pressure Drops OFF

Fuel Pressure Drops OFF

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. Verify none of the conditions listed below exist:
    • Restricted fuel feed pipe
    • Restricted or plugged strainer
    • Poor connections at the fuel pump harness connector and the ground circuit.
    • If a condition exist 

      Repair as necessary.

    • Go to next step: If a condition does not exist 
  2. Test or replace the G12 Fuel Pump.
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