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Home >> Chevrolet >> 2003 >> Impala Base, 3.4 E >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control System Self-Diagnostics - 3.8L) >> Diagnostic Tests >> Notes
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Diagnostic Tests: Notes

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NOTE: Before clearing DTCs, perform Diagnostic System Check - Engine Controls. See DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS . Record FREEZE FRAME and FAILURE RECORDS for reference during testing. Data will be erased when DTCs are cleared.