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Home >> Buick >> 2003 >> LeSabre Custom, 4T65E/MN3 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Troubleshooting - No Codes - 3.8L >> Symptoms >> Notes
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Engine Controls Troubleshooting - No Codes - 3.8L: Symptoms: Notes

Before proceeding with any symptom diagnosis, perform all steps under PRELIMINARY INSPECTION  .

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