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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Controls And Fuel - 3.5L - DTC P0341 Through DTC P2544) >> DTC P1400 >> Circuit/System Verification

Circuit/System Verification

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  1. Allow the engine to cool.
  2. Start and idle the engine for at least 2 minutes.
  3. DTC P1400 should run and pass.
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