2000 f150 4.6 plug removal

Little Red · Sep 20, 2012

This truck is new to me. I have a miss in #7 cyl. What's involved in pulling a plug if the coil is good. Do I have to remove the fuel rail? Thanks

shane96ranger · Sep 20, 2012

I think your coil is held on with a 10mm socket bolt IIRC. Be careful pulling the coil, sometimes you can rip the boot and you'll have to dig it out. Cylinder 7 is a PITA on mine. Seems like the EGR pipe is right there. Buy good plugs, and use anti-seize on the threads.

Sasquatch_Ryda · Sep 20, 2012

7mm, preferably a swivel.

shane96ranger · Sep 20, 2012

Thanks Sasquatch, I couldn't remember for sure. One more trick I learned is to use a rubber hose on the end of the plug to start it in the hole. It's like putting the plug in by hand. This helps in the battle against stripped threads.

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Little Red · Sep 21, 2012

Shane, I got a socket on the bolt and soaked it with Blaster beforehand. It won't come loose. Any suggestions? It's under the fuel pressure reg. I think.

shane96ranger · Sep 21, 2012

Yeah, it's the third one back on the drivers side. I would recommend letting them soak overnight if it's not coming loose. How long did you soak the plug for? One other thing you could try is let it run for a minute to get it warm. Just remember, this is why you want to use the anti-seize.

Little Red · Sep 21, 2012

Yeah, I sprayed it twice last eve. and twice today and warmed it up. No-Go. I'll try again tomorrow. Funny thing is I ohmed it out and it reads the same as #8. I suspect the plug. I bought it used from a gypsy car dealer and he said he changed them last spring with the brake pads. Well,the pads were replaced but I question if the plugs were, as tight as this coil bolt is they're probably orig. with 200 k on them. Thanks. any more ideas i'll welcome them.

shane96ranger · Sep 21, 2012

I'm pretty sure mine were original with 205,000 miles on them.

adsm08 · Sep 22, 2012

You could just keep driving it. The plugs will remove themselves eventually.

On a more serious note, once you do get the plug out, you can tell if it is original or not because the originals will have a little green or yellow paint dot on the top of them.

Also, if your boot doesn't want to come off, if you have a blow gun and a compressor you can put a little bit of air down through it. It blows it up like a balloon and breaks it away from the plug.

Little Red · Sep 22, 2012

Happy days. I drenched the coil bolt with Blaster again after I drove it around to warm up. I got the bolt out this AM after I pulled an easy plug out. The bolt came out just like I think it should and the plug was in good shape. The #7 bolt was tight at first. I guess it takes a while for anything to soak into such a tight fit. I pulled the plug and it was in the same shape as the easy one. I used anti-skid on the easy one's plug and coil bolt. I did the same on # 7 after I got a new coil. The old coil ohmed within .1 ohms as the new one.I guess it would break down under load. I put the new coil in and fired it up. It ran better than when I bought it. The mil. went out after 3 starts in 10 mi. I'm ready to rock now. Thanks all.

2000 f150 4.6 plug removal

Little Red

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shane96ranger

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Sasquatch_Ryda

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shane96ranger

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Little Red

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shane96ranger

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Little Red

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shane96ranger

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adsm08

Senior Master Grease Monkey

Little Red

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