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Home >> Chevrolet >> 2017 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 29 (Engine Controls And Fuel - 1.8L (LKN) - DTC P0446 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2635: Fuel Pump Flow Performance >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different variant/trim than selected.
NOTE: Do not replace the fuel pump driver control module based on a history DTC P2635. DTC P2635 may be stored but that does not indicate a failure of the fuel pump driver control module. Refer to Strategy Based Diagnosis for further history DTC diagnostics.
  1. Verify the proper fuel system pressure. Refer to Fuel System Diagnosis .
    • If the fuel pressure is not normal 

      Repair the fuel system as necessary.

    • If the fuel pressure is normal 
  2. All OK.
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