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SPARK PLUGS (5.0L)

dondiesel444

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City, State
Upstate New York
Year, Model & Trim Level
2005 4.0L 4x4 XLT
What kind of spark plugs are you guys using in your V-8's??

About 20,000 miles ago, I changed the plugs and wires on the X. I used Champion 3013 Platinum plugs. About a week ago the X started to mis-fire, it got so bad the CEL came on yesterday, and today it was so bad I could barely drive it. The code came up a cyl. 1 misfire so I pulled the plug and the gap was HUGE, like .090

I replaced that plug, and pulled the other plugs, just to check them. Those plugs were like .070", so I re-gapped them to .052 and put them back.

Should these plugs were out this fast?? Is there another type of plug I should try, maybe NOT platinum's??

Thanks in advance!!
 



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Jason_25

Elite Explorer<br>ECX Member
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City, State
New Bern, NC
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'95 Explorer "Expedition"
Always use motorcraft plugs. They are OEM.
 






BradE.

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City, State
Cincinnati, OH
Year, Model & Trim Level
1997 XLT 4x4
Yep, use Motorcraft Double Platinum Plugs. For some reason Ford engines sometimes hate other plugs.
 






expo5.0

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City, State
Red Wing, MN
Year, Model & Trim Level
1996 xlt
i am using motorcraft plugs, but just the regular non platinum ones. i've seen evidence that although they won't last as long you get a little better power that way.
 






Alec

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Houston, Texas
Year, Model & Trim Level
2008 JK
Motorcraft double plats
 






PUR PONY

Explorer Addict
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City, State
CT
Year, Model & Trim Level
96 LTD, 96 XLT, & 98 XLT
I am running autolite plats....

I think the autolites and motorcrafts are the same.... i coul dbe wrong though
 






dondiesel444

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City, State
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Year, Model & Trim Level
2005 4.0L 4x4 XLT
I also thought Autolites and Motocrafts were the same, anybody know for sure?? I think I can get Autolites at the local stores.

Do I have to get the Motocrafts at the dealer, or does anybody else (Advance Auto, NAPA, PartsPlus) sell them??

I guess I will change all of them, huh??
 






BradE.

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City, State
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Year, Model & Trim Level
1997 XLT 4x4
AutoZone sells Motorcraft plugs.
 






01EB5.0

Elite Explorer
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City, State
Allendale, MI
Year, Model & Trim Level
2001 Eddie Bauer V-8 AWD
Motorcraft plugs? i just took out a set of Motorcraft plaitnum and they are in terriable shape. Huge gap and just look worn. I am not sure if they were replaced before, but at most they have 59,000 miles and some people say the motorcraft should last much longer then 59,000. I'm sticking a set of Bosch Plus 4 in there since those lasted forever in my old V-6.
 






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