5.4 plug change ?
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New User
Joined: Oct 2002
Posts: 12
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From: San Marcos, CA
5.4 plug change ?
Just pulled the driver's side coils. They are different inside the boot. Where the top of the plug meets the contact inside the boot, the passenger side coils have a flat metal surface which touches the plug. On the driver's side the coils only have a spring which has tightly wound coils at the end of it which makes contact with the plug.
Is this normal? Is a part missing from my driver's side coils?
Or
Did Ford just use 2 different coil types in my truck?
Is this normal? Is a part missing from my driver's side coils?
Or
Did Ford just use 2 different coil types in my truck?
Thread Starter
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New User
Joined: Oct 2002
Posts: 12
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From: San Marcos, CA
5.4 plug change ?
Thanks krane
All my passenger side coils are like yours. All my drivers side coils have NO flat surface to meet the top of the plug, just the open end of the spring inside the boot.
Is a part missing???
All my passenger side coils are like yours. All my drivers side coils have NO flat surface to meet the top of the plug, just the open end of the spring inside the boot.
Is a part missing???
New User
Joined: Feb 2003
Posts: 6
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5.4 plug change ?
I don't know what year your truck is, probably a late 99 or 2000. I have a 99 and have had to replace some of the coils. The original coils have a flat plate at the bottom that touches the plug like your passenger side. The replaced coil had the spring type on it. I believe that it is a newer version of the coils. Also the original coil has a kind of grey label on top. The replaced coil has kind of a neon green label. I guess ford was just using the last of the old type when your truck was made. As far as testing them, yes if you get a manual for the truck it tells you what the ohm should be and how to do it.
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New User
Joined: Oct 2002
Posts: 12
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From: San Marcos, CA
5.4 plug change ?
Originally posted by kwilliams
I don't know what year your truck is, probably a late 99 or 2000. I have a 99 and have had to replace some of the coils. The original coils have a flat plate at the bottom that touches the plug like your passenger side. The replaced coil had the spring type on it. I believe that it is a newer version of the coils. Also the original coil has a kind of grey label on top. The replaced coil has kind of a neon green label. I guess ford was just using the last of the old type when your truck was made. As far as testing them, yes if you get a manual for the truck it tells you what the ohm should be and how to do it.
I don't know what year your truck is, probably a late 99 or 2000. I have a 99 and have had to replace some of the coils. The original coils have a flat plate at the bottom that touches the plug like your passenger side. The replaced coil had the spring type on it. I believe that it is a newer version of the coils. Also the original coil has a kind of grey label on top. The replaced coil has kind of a neon green label. I guess ford was just using the last of the old type when your truck was made. As far as testing them, yes if you get a manual for the truck it tells you what the ohm should be and how to do it.
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Junior User
Joined: Mar 2003
Posts: 80
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From: New England
5.4 plug change ?
Just bought a replacement coil today..... has the "spring" connection in it. It is from Autozone and a "Wells" brand.
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