5.0L spark plugs
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More Turbo
Joined: Feb 2003
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From: Grand Rapids, MI
5.0L spark plugs
Been suffering some take off shudder as well as the 55mph shudder and finally took the truck into the dealer who informed me it is throwing a couple of misfire codes (no CEL). Quoted over $400 for spark plugs, not that I would pay somebody to do them anyhow.
Looking around the boards, seems a lot of people are seeing premature wear on the ecoboost plugs and have had success regapping or replacing. Any words from 5.0L owners? What are the odds they just need regapped? I'll probably just replace them anyway, but its a good discussion. Also are they are simple to replace as it looks- just pop the coil packs off and they are there in the valve covers?
Looking around the boards, seems a lot of people are seeing premature wear on the ecoboost plugs and have had success regapping or replacing. Any words from 5.0L owners? What are the odds they just need regapped? I'll probably just replace them anyway, but its a good discussion. Also are they are simple to replace as it looks- just pop the coil packs off and they are there in the valve covers?
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Joined: Aug 2002
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From: Southern California
IMHO...here's the deal....
While the PR materials all state the plugs are good for 100k miles and the ignition systems are producing up to 100k volts, reality is the systems are generating about 27,000 volts within the delivery source, while this is a very strong system, it is just not going to keep plugs going for 100K miles. When you look/consider thermal expansion, etc of the threads, at 30K, I would be pulling them....as the ceramics can tend to begin breaking down, etc.
While the PR materials all state the plugs are good for 100k miles and the ignition systems are producing up to 100k volts, reality is the systems are generating about 27,000 volts within the delivery source, while this is a very strong system, it is just not going to keep plugs going for 100K miles. When you look/consider thermal expansion, etc of the threads, at 30K, I would be pulling them....as the ceramics can tend to begin breaking down, etc.
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More Turbo
Joined: Feb 2003
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From: Grand Rapids, MI
A little over $400 for parts and labor plus apparently a misfire diagnosis is not a warranty claim either. Might like Ford products but G.D. does their customer support suck.
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If your within 3yr/36k I would think it would be covered.
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More Turbo
Joined: Feb 2003
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From: Grand Rapids, MI
47k miles.
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Yeah, your probably screwed. Fine print on the power train warranty does not include plugs.
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Laughing Gas
Joined: Dec 2010
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From: Timbuk3, MI
.
A common cause of the misfires is the fact that the plugs are incorrectly gapped from the assembly line.
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Goth 150
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A common cause of the misfires is the fact that the plugs are incorrectly gapped from the assembly line.
-click- the pic'
Goth 150
< This space intentionally -blank- >
Thread Starter
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More Turbo
Joined: Feb 2003
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From: Grand Rapids, MI
Maybe deysha? can chime in?
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From: Maine, Virginia
Same here, in fact, my last three Fords and I still have the Expedition.
Official Ford Rep
Joined: Oct 2010
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Hey Buck268,
You must have a Mustang; Deysha's our rep over on the Mustang forums.
I responded to your PM this morning - check out your inbox for my message. I'll see what I can do to help.
Crystal
You must have a Mustang; Deysha's our rep over on the Mustang forums.
I responded to your PM this morning - check out your inbox for my message. I'll see what I can do to help.
Crystal
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Assuming the plugs are the cause, they are a replacement item on a maintenance schedule, similar to oil. Pretty sure that is how it's not covered by any warranty.