Engine Firing Orders: 2003

Pontiac	Bonneville	3.8 liter SC V-6 VIN "1"
Pontiac	Bonneville	3.8 liter V-6 VIN "K"
Pontiac	Grand AM	2.2 liter DOHC L4 VIN "F"
Pontiac	Grand AM	3.4 liter V-6 VIN "E"
Pontiac	Grand Prix	3.1 liter V-6 VIN "J"
Pontiac	Grand Prix	3.8 liter SC V-6 VIN "1"
Pontiac	Grand Prix	3.8 liter V-6 VIN "K"
Pontiac	Sunfire	2.2 liter DOHC L4 VIN "F"
Pontiac	Vibe	1.8 liter DOHC L4 VIN "8"
Pontiac	Vibe	1.8 liter DOHC L4 VIN "L"
Pontiac	Vibe AWD	1.8 liter DOHC L4 VIN "8"

Pontiac Truck	Aztek	3.4 liter V-6 VIN "E"
Pontiac Truck	Montana	3.4 liter V-6 VIN "E"

Additional Information provided courtesy of AllDATA