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Home >> Chevrolet >> 2003 >> Impala LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P1404: EGR Closed Position Performance >> Test Description

Test Description

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 3

    This step verifies that the malfunction is present.
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