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Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Controls And Fuel - 1.0L (L4B L4F L4G LIJ) Or 1.2L (L4H L4K LIF LIH) - Diagnostic Information And Procedures (1 Of 2)) >> Diagnostic Information and Procedures >> DTC P0351-P0353, P2300, P2301, P2303, P2304, P2306, or P2307 >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.
    NOTE:

    Circuit/System Testing must be performed before proceeding with Component Testing.

  1. Ignition/Vehicle - Off
  2. Remove the appropriate component: T8 Ignition Coil - Leave the electrical connector connected.
  3. Install the special tool: J-26792 Ignition Spark Tester
  4. Engine - Running
    5. NOTE:

    An erratic or weak spark is considered a no spark condition.

  5. Verify there is spark at the tool.
    • If there is no spark 

      Replace the component: T8 Ignition Coil

    • Go to next step: If there is spark 
  6. All OK.
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