LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 114 (Engine Controls And Fuel - 4.3L (LV1) - Diagnostic Information And Procedures (1 Of 2)) >> Diagnostic Information and Procedures >> DTC P0089, P00C6, P228C, P228D, or P2C1E-P2C20 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition/Vehicle - Off
  2. Verify the following conditions do not exist:
    • Camshaft Position Actuator - Binding or Sticking/Stuck
    • Direct Fuel Injection Fuel Rail - Leaking/Restricted
    • Fuel - Contaminated/Poor Quality
    • Fuel Feed Pipe - Leaking/Restricted
    • Fuel Pressure Regulator - Binding or Sticking/Stuck
    • G18 High Pressure Fuel Pump - Binding or Sticking/Stuck/Loose
    • Q17 Fuel Injector - Leaking/Restricted
    • If a condition exists 

      Repair or replace as necessary.

    • Go to next step: If no condition exists 
  3. Remove the component: G18 High Pressure Fuel Pump
  4. Verify a condition does not exist with the component: Camshaft Lobe(s) - Worn/Visible Damage
    • If a condition exists 

      Replace the component: Camshaft

    • Go to next step: If no condition exists 
  5. Test or replace the component: G18 High Pressure Fuel Pump
scientia non olet · About LEMON Manuals