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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Engine Controls And Fuel - 3.5L - DTC P0010 Through DTC P0340) >> DTC P0201, P0202, P0203, P0204, P0205, or P0206 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Engine idling, observe the following control circuit status parameters for each fuel injector:
    • Injector Ckt Short Gnd Test Status
    • Injector Ckt Open Test Status
    • Injector Ckt Short Volts Test Status
  2. Engine running, observe the DTC information with a scan tool. DTC P0201, P0202, P0203, P0204, P0205, or P0206 should not set.
  3. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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