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Home >> Chevrolet >> 2017 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 28 (Engine Controls And Fuel - 1.8L (LKN) - DTC P0010 To P0459) >> Diagnostic Information and Procedures >> DTC P0089, P00C6, P228C or P228D: Fuel Pressure Regulator/Fuel Rail Pressure >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different variant/trim than selected.
  1. Remove the G18 High Pressure Fuel Pump.
    NOTE: Circuit/System Verification must be performed first or misdiagnosis may result.
  2. Verify the lobes on the camshaft do not have unusual wear or are worn.
    • If the lobes have unusual wear or are worn 

      Replace the Camshaft.

    • If the lobes are OK 
  3. Test or replace the G18 High Pressure Fuel Pump.
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