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Home >> GMC >> 1995 >> Forward Control 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Engine Controls - Tests W/Codes - 5.9L Diesel) >> Self-Diagnostic System >> Visual Inspection
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Visual Inspection

WARNING: This page is about a different car, the 1995 Dodge Pickup and 1995 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Most driveability problems in engine control system result from faulty wiring, poor electrical connections or leaking air and vacuum hose connections. To avoid unnecessary component testing, perform a visual inspection before beginning self-diagnostic tests.

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