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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1361 (Engine Controls And Fuel - 4.3L - Troubleshooting & Diagnosis) >> Electronic Ignition System Diagnosis >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Inspect the spark plug wires for proper orientation.

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