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1997 - 2003 Ford F150 General discussion on the Ford 1997 - 2003 F150 truck.

Spark plug help

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Old May 6, 2018 | 08:28 PM
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Robbey Melton's Avatar
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Default Spark plug help



232008 miles on her


The motor


Closer look at sparkplug location


The old sparkplug, its an autolight plug so not orginal plug, came out of the from right plug, had to put her back in due to the back four issue


New plugs that will be put in.


My motor


The front of my truck


My truck in general
I've got a 97 f150 Lariet 5.4l V8 its not the triton motor. I'm trying to figure out the best way to change the back 4 plugs, it is the snub nose to where the back four are pushed back into the dashboard due to it being snubed nose
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Old May 6, 2018 | 09:09 PM
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JCR 56's Avatar
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I recommend Motorcraft plugs for these trucks.
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Old May 6, 2018 | 09:19 PM
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Return the auto lites and buy motorcraft or ngk's. Anything else and you're asking for trouble. These trucks do not like cheap plugs
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Old May 6, 2018 | 10:07 PM
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Originally Posted by Robbey Melton
I've got a 97 f150 Lariet 5.4l V8 its not the triton motor. I'm trying to figure out the best way to change the back 4 plugs, it is the snub nose to where the back four are pushed back into the dashboard due to it being snubed nose
I don't think that people saw your question. You have way too much stuff that doesn't matter in your post. Good luck.
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Old May 6, 2018 | 10:31 PM
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Actually I am sure everyone DID see it. And like they said, go back and buy Motorcrafts. Autolites are not as good.

To get those plugs, you need and assortment of extensions. I also use spark plug sockets. I use one with a rubber insert to remove the plug. Then to install, I start the plug with a long piece of 3/8 fuel line attached to the plug. This is as close as you can get to starting it by hand, using no leverage (which can result in crossed threads).

Seriously... get the Motorcraft plugs.
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Old May 6, 2018 | 10:38 PM
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Old May 6, 2018 | 11:52 PM
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Originally Posted by Robbey Melton

I've got a 97 f150 Lariet 5.4l V8 its not the triton motor. I'm trying to figure out the best way to change the back 4 plugs, it is the snub nose to where the back four are pushed back into the dashboard due to it being snubed nose
What in the world ? What are you talking about, back 4? Snub nose? Plugs in the dash board ? Quite strange and all those pics. I realize some see things differently, but this is like different planet stuff.

Regardless, it's a little more difficult then your lawnmower, just not THAT dramatic lol. Alright, to get the same point that pretty much everyone else has, DO NOT use Autolite plugs, not sure how you got away with it in a 97/98 5four especially. Use Motorcraft replacements IF you don't want to do it twice. Others, including myself (way back when) had to do it twice. I got about 40 miles out of a set back in 01/02 ? Many others have since. They aren't THAT bad to change, but jeeezz man, take some parts off first...so you can get to them lol.

Good Luck!
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Old May 7, 2018 | 06:58 AM
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Plugs ain't hard with the right length extensions.

You may have to pop the fuel rail on the driver side for some.
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Old May 7, 2018 | 08:51 AM
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Originally Posted by Robbey Melton
I'm trying to figure out the best way to change the back 4 plugs, it is the snub nose to where the back four are pushed back into the dashboard due to it being snubed nose
i just bit the bullet and took mine in to the shop and payed $$$. It was too much trouble. While everything was off and out of the way, i had them change the coil packs too.
Also, I'll just repeat what others have said, - get the motercraft plugs.
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Old May 7, 2018 | 09:14 AM
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Same truck and motor and i had all 8 done in less than 10 mins, just gotta use a 2$ swivel and extension
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