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Home >> Chevrolet >> 2003 >> TrailBlazer 4.2 S, RWD >> Repair and Diagnosis >> Engine Performance >> Specifications >> Engine Controls - Service & Adjustment Specifications - 4.2L >> Ignition Systems >> Firing Order

July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Firing Order

Fig 1: Firing Order (4.2L)

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