Running rough
Senior Member
Joined: Nov 2007
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From: whaleyville, MD
Not to argue with you, but 2 seperate Ford techs that I know at 2 different dealerships refer to the coils on the 5.4L's as COP's and the 4-wire coil connectors as coil paks. My local NAPA and a friend (AJ) who owns his own garage also refer to them as COP's. NAPA & AJ must use the right terminology because they supply and service alot more than Ford vehicles using COP's. Example, Jeep and alot of imports use the Coil Over Plug ignition system.
When I read "coil-paks", I think coils with plug wires. Must be a NY thing
.
When I read "coil-paks", I think coils with plug wires. Must be a NY thing
.
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Junior Member
Joined: May 2009
Posts: 5
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From: Alabama
Have you recently had your intake tube off or disconnected recently.
The reason for asking, If it was started up or possibly even the ignition turned on, the MAF and IAT codes could have surfaced then. As far as the MIL light flashing, that is indicating a misfire. What I would recommend is swapping that coil pack from cylinder #1 to cylinder #2, disconnect your battery to clear the keep alive memory, and drive it again. When that light starts flashing again, visit your code reader of choice and see if the code P0302 (indicating misfire on cylinder #2) comes up. If it does, you have isolated your fault to the coil pack. If it stays the same, you have ruled out the coil and you may want to try another plug. I strongly recommend using Motorcraft plugs in this (and all) engine. Let us know what you find.
FordMasterTech
The reason for asking, If it was started up or possibly even the ignition turned on, the MAF and IAT codes could have surfaced then. As far as the MIL light flashing, that is indicating a misfire. What I would recommend is swapping that coil pack from cylinder #1 to cylinder #2, disconnect your battery to clear the keep alive memory, and drive it again. When that light starts flashing again, visit your code reader of choice and see if the code P0302 (indicating misfire on cylinder #2) comes up. If it does, you have isolated your fault to the coil pack. If it stays the same, you have ruled out the coil and you may want to try another plug. I strongly recommend using Motorcraft plugs in this (and all) engine. Let us know what you find.
FordMasterTech
Senior Member
Joined: Nov 2007
Posts: 3,271
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From: whaleyville, MD
Thank you for the good advice. I unhooked the battery cable & the MAF & IAT codes are gone & haven't re-apeared. I think the key was on when i unhooked the intake tube. As far as the coil pack, i swapped it with the #2 coil pack & then ran it for a while & got the flashing check engine light again but this time it sad misfire on cylinder #2. So the next question i have is since this cop is bad, do i replace them all & keep the good ones thats on there now for spares or only replace the one. They are the original cop's from the factory. I also noticed that someone recommended e-bay (Global or Uneekauto) for cop's.I found a new set of 8 cop's DG508 for only $69.95 plus $15.00 for shipping (lifetime warranty) from global. I noticed that at the local part stores they are that price for just one .
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Junior Member
Joined: May 2009
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From: Alabama
global and uneek on ebay are the coils we normally recommend for members. usually when 1 coil goes the rest start to go out 1 at a time. so it would be a good idea. and it would still be a good idea to pull one of the plugs while your at it to check the gap and see what brand you have in there. just so you dont have any problems down the road. if you dont its ok but it would be a good idea. and dont forget to go to the parts store and get a tube of dielectric grease.
I'll let you'll know how it goes if your interested.
Senior Member
Joined: Apr 2003
Posts: 271
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From: South Ga
Glad to hear you got it figured out!
On a side note, if you plan on replacing the plugs as well, and if you have access to an air compressor, I would recommend after removing the coils, to blow out any dirt/debris inside plug wells. You sure don't want that stuff falling thru the plug hole when you remove the plugs...
Good Luck!!
FordMasterTech
On a side note, if you plan on replacing the plugs as well, and if you have access to an air compressor, I would recommend after removing the coils, to blow out any dirt/debris inside plug wells. You sure don't want that stuff falling thru the plug hole when you remove the plugs...
Good Luck!!
FordMasterTech
Senior Member
Joined: Mar 2008
Posts: 835
Likes: 2
From: Central New York
Hey Matt,
I'v'e heard them stated that way as well, just making a point that I've never heard COP's or ignition coils for the 5.4's called coil packs. Petty nonsense, probably.
I'v'e heard them stated that way as well, just making a point that I've never heard COP's or ignition coils for the 5.4's called coil packs. Petty nonsense, probably.
Technical Article Contributor
Joined: Oct 2005
Posts: 25,641
Likes: 19
From: MI
Iduno, mindset set maybe? lol - If I hear coils referred to as "packs" - I think, "Ignition pack" or the upgraded distributor. = Totally different set up.
Numbers might be easier for some. Like 508's or 511's.
508's = 5.4L/ 4.6L (COP systems)
511's = 3 valve.
But if you have all 8 firing, - who the hell cares anyway...
Numbers might be easier for some. Like 508's or 511's.
508's = 5.4L/ 4.6L (COP systems)
511's = 3 valve.
But if you have all 8 firing, - who the hell cares anyway...
Last edited by jbrew; May 19, 2009 at 12:08 PM.
Senior Member
Joined: Nov 2007
Posts: 3,271
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From: whaleyville, MD
yea i know what you were saying. i was just saying that because mechanics in my town, especially ford and gm techs, get ticked off when people say coil pack for a coil on plug or coil near plug ignition system. thats why they just say ignition coil now.
Senior Member
Joined: Mar 2008
Posts: 835
Likes: 2
From: Central New York
Iduno, mindset set maybe? lol - If I hear coils referred to as "packs" - I think, "Ignition pack" or the upgraded distributor. = Totally different set up.
Numbers might be easier for some. Like 508's or 511's.
508's = 5.4L/ 4.6L (COP systems)
511's = 3 valve.
But if you have all 8 firing, - who the hell cares anyway...
Very true
Numbers might be easier for some. Like 508's or 511's.
508's = 5.4L/ 4.6L (COP systems)
511's = 3 valve.
But if you have all 8 firing, - who the hell cares anyway...
Very true
Technical Article Contributor
Joined: Oct 2005
Posts: 25,641
Likes: 19
From: MI
Senior Member
Joined: Dec 2006
Posts: 43,530
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From: Joplin MO
Don't we have more important things to argue about than the exact terminology for a "coil"? As long as you get the right part for your engine, who cares what it's called?
A suggestion when you change the plugs - get a torque wrench and zap them down to 28 ft/lbs. This will help prevent blowout.
A suggestion when you change the plugs - get a torque wrench and zap them down to 28 ft/lbs. This will help prevent blowout.
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Junior Member
Joined: May 2009
Posts: 5
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From: Alabama
Thanks to all of your guys help, i'm back on the road again. I just finished replacing all 8 COP'S & plugs and she's running great. it wasn't easy but yet it wasn't that hard neither. It took me about 4 hours from start to finish
Thanks again for all of the helpful info that i received.
Thanks again for all of the helpful info that i received.
Technical Article Contributor
Joined: Oct 2005
Posts: 25,641
Likes: 19
From: MI
Thanks to all of your guys help, i'm back on the road again. I just finished replacing all 8 COP'S & plugs and she's running great. it wasn't easy but yet it wasn't that hard neither. It took me about 4 hours from start to finish
Thanks again for all of the helpful info that i received.
Thanks again for all of the helpful info that i received.
