The firing order for a 1991 GMC Sonoma 4.3 liter v-6 is 165432. The number one plug is the first one facing you on the right and the last plug to fire is the first one facing you on the left. The rotor button spins counter clockwise.
Firing order is 1-3-4-2
Knowing the firing order of a car's engine can help troubleshoot problems later on. The firing order for a 1993 GMC Sonoma 2.5L engine is 1-6-5-4-3-2.
firing order is 1,2,3,4,5,6
First, number the plugs one to four starting at the front and moving to the rear. The firing order is then 1 3 4 2.
Firing order is 1 6 5 4 3 2 in a clockwise direction
The GMC S-15 became the GMC Sonoma in 1991.
Whats the firing order
1, 6, 5, 4, 3, 2.