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Home >> Chevrolet >> 2003 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Controls Self-Diagnostics - 3.4L) >> Drive Cycles >> Inspection/Maintenance Exhaust Gas RECIRCULATION System Set Procedure >> Description

Inspection/Maintenance Exhaust Gas RECIRCULATION System Set Procedure: Description

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This test satisfies the enable criteria necessary in order to execute I/M readiness diagnostics for the Exhaust Gas Recirculation (EGR) system. The test may be used to set the I/M System Status indicators to YES. Ensure the vehicle meets the requirements listed in Conditions For Running before performing this test. Failure to meet the necessary requirements may produce inaccurate test results.

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