The coil pack towers are numbered :
coil---3---4
pack--2---6
plug---1---5
fire order diagram for 1997 3.0 liter v6 ford motor
4 8 3 7 2 6 1 5 Front
a worn valve will make it back fire
coil---3---4 pack--2---6 plug---1---5
The Coil Pack Towers are numbered ( 3.0 L and 4.0 L ) coil----3---4 pack---2---6 plug----1---5
The firing order for the 2000 Ford Ranger with a 2.5L engine is 1-3-4-2. The coil pack arrangement is designed to fire the cylinders in this sequence for optimal engine performance. The coils are typically positioned to correspond with the cylinders they fire, so it's important to ensure the correct wiring when replacing or servicing the coil pack.
Anwer
need a new coil or coil wire if you are getting power to the coil
For a 1997 Ford F-150 , 4.6 liter V8 engine( It has 2 coil packs with 4 spark plug wires connecting to each coil pack )
if you have a new coil then it is probally going to be the ignition module located on the distributor.
The firing order of a 1997 Ford Escort is 4,1,2,3
are the coil packs numbered for firing order on 1998 ford 4.6