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Home >> Chevrolet >> 2003 >> Impala Base, 3.8 K >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.8L >> Diagnostic Tests >> Notes

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.
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