Firing Order

[wil2208]

What Is Firing Order On 2004 LLy Duramax And What Side Is Number One On

[DmaxMaverick]

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Firing order is: 1-2-7-8-4-5-6-3. The #1 cylinder is the front/right (USA passenger side). Odd # cylinders on the right, even on the left. This is opposite of previous common GM gas/Diesel V8 engine series.