Firing order: Industrial GM 3.0 inline 4: 1
the firing order on a GM HEI is 1-8-4-3-6-5-7-2
The firing order should be 1-3-4-2.
firing order is 1, 3, 4, 2
123456
FIRING ORDER IS 1-8-4-3-6-5-7-2
CTS V6-3.2L VIN N (2003), firing order 1,2,3,4,5,6.
123456 is the firing order from the GM HAYNES REPAIR MANUEL
1342
165432
The GM 4.3 firing order, 1, 6, 5, 4, 3, 2. CW.
1985 GM 2.8 V6 firing order is 1-2-3-4-5-6