I need the firing order on the coil pack. - Ranger-Forums - The Ultimate Ford Ranger Resource


2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

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  #1  
Old 01-14-2008
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I need the firing order on the coil pack.

I've been trying to get these plug wires to work for almost 30 mins and I can't get them to act right. I know the firing order on the block is:

3-6
2-5
1-4

but what about on the coil? Anyone else had this problem? It's back-firing, missing, shaking like crazy. Any help is appreciated.
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  #2  
Old 01-14-2008
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I think the order on the coil is
5-3
6-2
4-1

Anyway anyone can check theirs on the coil? The wires should have #'s on them. I have to get this thing running right.
This is for a 3.0 v6.
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  #3  
Old 01-14-2008
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checked my Haynes Manual and firing order shows...

3-4
2-6
1-5
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  #4  
Old 01-14-2008
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I wonder if that's looking at it sitting in it or standing infront of it. I know mine definitely has 4-6 on the passenger side of the coil and 1-3 on the driver's side of the coil. I'm just confused at the order. This sucks, I've had this happen before and it died while driving it to get some help.
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  #5  
Old 01-14-2008
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its standing in front. just try it. you got the block firing order correct, im sure the coil order cant be wrong.
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Old 01-14-2008
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The firing order is 1-4-2-5-3-6, so the cylinder pairs are those that come on compression 360 degrees apart. I don't know how the 3 coils and their 6 secondary wires are laid out but you may be able to figure it out but matching the cylinder pairs of each coil to the primary color code of the PCM ground trigger.

1 and 5, primary trigger = tan/white
2 and 6, primary trigger = tan/light green
3 and 4, primary trigger = tan/orange

(The red wire is common and goes to the hot side of all three coils.)
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Old 01-14-2008
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here, look at this:



the manual i have is for 1995 through 2005 so it should work
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  #8  
Old 01-14-2008
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Yes, I see the diagram but I'm telling you I've worked on a 1994 3.0 that was set up like that but my 2005 3.0 is definitely 4-6 on the passenger side and 1-3 on the drivers side, I am 100% sure on that. I forget the year that it changed but I've seen the thread on here and can't find it now. It wouldn't run if I had the sides switched up because it wouldn't get any spark to "push" it through the misfires.

Bob, most of the time I can get the general idea of your rays of golden knowledge but this one has gone over my head, may be the frustration having my mind on other things.
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  #9  
Old 01-14-2008
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I got it....... I had 3 and 1 mixed up on the coil.

On the coil:
5-1
6-2
4-3

On the block:
3-6
2-5
1-4
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  #10  
Old 01-14-2008
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That would make it hard to start. Congrats on getting it figured out. They can get the best of anybody.
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  #11  
Old 01-16-2008
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Well Wayne I'm excited to be getting your coil tomorrow so I can experience the same thing although with less problem I definitely hope. I'm pretty sick of the #4 misfire right now.
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