Firing Order & Cylinder Identification

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

See FIRING ORDER & CYLINDER IDENTIFICATION .

Fig 1: Firing Order (2.2L)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Firing Order & Spark Plug Wire Routing (4.3L)

Courtesy of GENERAL MOTORS CORP.