Section 232 (Engine Controls - Trouble Shooting - No Codes - 4.8L, 5.3L & 6.0L): Symptoms: Notes

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NOTE: Before proceeding with any symptom diagnosis, perform PRELIMINARY INSPECTION .

NOTE: If PCM displays data but engine fails to start, see NO-START DIAGNOSIS in BASIC DIAGNOSTIC PROCEDURES - 4.8L, 5.3L & 6.0L "C", "G", "H", "K", "N", "S" & "T" SERIES - FLEX FUEL & GASOLINE article.