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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (2 Of 3)) >> Diagnostic Information and Procedures >> DTC P066A-P066F, P0671-P0674, P067A, or P067B >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.
  1. Ignition/Vehicle - Off
  2. Disconnect the appropriate electrical connector : E12 Glow Plug
  3. Test for 0.3 to 1.0 ohms between the test points : Control terminal 1/A & The component's housing
    • If not between 0.3 and 1.0 ohms 

      Replace the component : E12 Glow Plug

    • Go to next step : If between 0.3 and 1.0 ohms 
  4. All OK.
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