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Home >> Pontiac >> 2003 >> Grand Prix GTP >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Controls Self-Diagnostics - 3.1L Engine) >> Diagnostic Tests >> Notes

Diagnostic Tests: Notes

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NOTE: Before clearing DTCs, perform powertrain diagnostic system check. See DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS  under SELF-DIAGNOSTIC SYSTEM. Record FREEZE FRAME and FAILURE RECORDS for reference during testing. Data will be erased when DTCs are cleared.