Engine Firing Orders: 1988

Pontiac	6000	2.5 liter L4
Pontiac	6000	2.8 liter V-6
Pontiac	6000	3.1 liter DOHC V-6 VIN "T"
Pontiac	Bonneville	3.8 liter V-6 VIN "3"
Pontiac	Bonneville	3.8 liter V-6 VIN "C"
Pontiac	Fiero	2.5 liter L4
Pontiac	Fiero	2.8 liter V-6
Pontiac	Firebird	2.8 liter V-6 VIN "T"
Pontiac	Firebird	5.0 liter V-8 VIN "E"
Pontiac	Firebird	5.0 liter V-8 VIN "F"
Pontiac	Firebird	5.7 liter V-8 VIN "8"
Pontiac	Grand AM	2.0 liter L4 VIN "1"
Pontiac	Grand AM	2.3 liter SOHC L4 VIN "A" Quad 4
Pontiac	Grand AM	2.5 liter L4 VIN "U"
Pontiac	Grand Prix	2.8 liter V-6 VIN "W"
Pontiac	J2000/Sunbird	2.0 liter L4 VIN "K"
Pontiac	Lemans FWD	1.6 liter L4 VIN "6"
Pontiac	Safari Wagon	5.0 liter V-8 (305)
Pontiac	Safari Wagon	5.0 liter V-8 (307)

Additional Information provided courtesy of AllData