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  #1  
Old 08-16-2005, 01:18 PM
nobuguser nobuguser is offline
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replacing coil packs

Hi, have a 2000 f-150 and was wondering how hard it is to change the coil packs on it? She has a 4.6 V-8 and didn't know if it could be done when replacing spark plugs....the dealer wants about $300 each to do it....

thanks
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  #2  
Old 08-16-2005, 04:47 PM
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I would only replace them when they fail. You have to remove them to get to the plugs.
Check the FAQ thread in the 97-03 forum for great tips on changing the plugs.
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Old 08-16-2005, 05:13 PM
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Exactly. Never change unitl theyre bad. I would change each boot though when you change the plugs. Most coil pack "failures" are failure in the boot not in the pack itself. They cost about $3 a piece and are well worth it.
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Old 08-16-2005, 08:25 PM
dpkfordtruck dpkfordtruck is offline
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Replace Coil Packs - 97 5.4L V-8

I have a 97 Ford F-150 with the 5.4L V-8 engine. It has right at 110,000 miles on it. Recently I had the throttle body cleaned because the gas pedal had a hard place in it when you first pressed down on it after it had set for a while. That cost $108. The garage said they got almost a coffee cup full of buildup. It ran fine for a while. Now the Check Engine light has come on and it idles and runs very roughly. I took it to a garage and had it checked and they said the coil packs need to be replaced to the tune of $1,400.

Can anybody out there give me an indication as to whether or not this is what needs to be done?

Thanks.
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Old 08-16-2005, 08:45 PM
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Go to Autozone and have it scanned for free and post the codes here. If they were all bad, it wouldn't run at all!!
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Old 08-17-2005, 06:40 AM
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Thanks for the info...never knew about the "new" design on the spark plug wires. I learned about it on here, thanks to you folks. My question, is the spark plug/coil replacement a DIY job? I think I need the #1 and # 8 ones. Thanks for your help, long time reader, first time asker.
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Old 08-17-2005, 07:57 PM
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Smile Replace Coil Packs - 97 5.4L V-8

Thanks for the info about AutoZone. I have the same question - is this a DYI job and if is where do I find the parts and how to do it?

Thanks again.
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Old 08-17-2005, 08:44 PM
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Quote:
Originally Posted by dpkfordtruck
Thanks for the info about AutoZone. I have the same question - is this a DYI job and if is where do I find the parts and how to do it?

Thanks again.
97-98 have coil packs (2, I think) and convential plug wires, 99+ have a coil on plug (COP) on each spark plug, no plug wires
Here's step by step instructions.
http://www.ford-trucks.com/forums/sh...d.php?t=104027
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Old 08-17-2005, 08:56 PM
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All 5.4L have COP's 97-up. 4.6L has coil packs 97-98 and COP's 99-up
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Old 08-18-2005, 11:10 AM
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Can you get COP boots at Autozone and the like? I've never had mine off, but at 72000, it's about time to change the plugs.

Mike
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Old 08-18-2005, 04:10 PM
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Quote:
Originally Posted by BLK94F150
Can you get COP boots at Autozone and the like? I've never had mine off, but at 72000, it's about time to change the plugs.

Mike
Not sure if the autoparts stores have them, probably do. If not might want to order these:
http://www.wittydeals.com/product_in...products_id=83
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Old 08-23-2005, 04:46 PM
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napa has them
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Old 08-28-2005, 03:42 AM
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a little of topic but i swear when i was looking for new suv in 03 the 4.6 explorer i looked at had coil packs not cop or am i just loosing it????
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Old 08-28-2005, 03:49 AM
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on second thought maybe it was the 4.0. that would make more sense
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Old 08-28-2005, 10:24 PM
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Could have been the 4.0. We still mold alot of the 6 tower casings at work.
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Old 08-28-2005, 10:24 PM
 
 
 
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