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Section 18 (Engine Controls Self-Diagnostics - 4.3L): Summary

WARNING: This page is about a different variant/trim than selected.

If no hard fault DTCs are present, driveability symptoms exist or intermittent DTC(s) exist, diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.). See SYMPTOMS in TROUBLE SHOOTING - NO CODES - 4.3L CHEVY EXPRESS & SAVANA article.

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