Hi all, Well with the info on this informative site I changed the plugs w/ oem plugs torqued to 28ft lb and pulled the fuel rail. When I turned on the key I found that two o rings on pass side #3 and #4 injectors had come off. So gas on manifold as you would expect.Now the trucks idles smooth @650 rpms but when taking for test run it has a miss or more? I used dielectric grease on cop Would the spilled fuel damage cop or maybe an injector got some debrisin it? any sugestion would be appreciated Thanks in advance.

 

Verify the plugs and numbers. And yes , fuel will smoke a coil, - been there done that.

EDIT:

And engine.

 

Thanks for reply I Checked the plugs torque is ok when you say check the #s what #s This happened yesterday and for fear of a fire i dried the area as best I could and let sit overnight, got new o rings this morning and replaced all tops on passengers side. No more leaks. I dont know how to check for a bad cop

 

Plugs = What part #
Engine = Size ?



Nevermind, I see the engine. What plugs then ?

 

motorcraft platinum SP-479 AGSF22Wm

 

Is it tripping a CEL?

I'd pull the coils again, and if there's any dielectric grease on the spring, clean it off. The only place that should be greased is the inside of the boots.

 

Okay, yea, most likley the coils. I lost a new Motorcraft that way, - that spring connector came apart on the fuel-line at about 55 mph, - hosed down the motor with fuel. - It's been clean ever since. Luckily I used lots of grease or I may not be here to tell you about it lol.

Yea you can try cleaning, like glc posted

 

No cel I should also mention I did disconect the +side of battery I have only driven it for 5 miles

 

Only on the inside of boot ...I just placed it a spot on the bottom of boot enough to cover hole and then put it on the plug

 

Never do that unless the Neg is disconnected first. Then when you reconnect, connect the Positive first then the Neg.

I've seen them blow up twice. One of those times, we had to bring the guy to Emergency. - To remove battery casing that lodged in between his knuckles.

 

Personally, I stretch the springs just a little, so that they protrude past the boot end about 1/4 -1/2". Grease the entire insides of the boot. This will focus pulse to plug without burning carbon trails inside of the boot.

Then dip the protruding spring end in a little lacquer thinner to clean any existing grease from the ends. You don't want the grease preventing contact.

 

Thanks didnt know will disconect neg next time I will try to clean the cop spring and you say to just coat the inside the boot only not on the plug or the spring ?

 

will I need to take plugs out and clean the spark plug tip as well

 

Hasn't anyone got a writeup on this besides Matt? -

http://rmftc.com/howtos/sparkplugs/sparkplugs.html

 

Right, your covered once you grease the inside of the boot. You pull the boot from the coil to do this/ make sure the spring is connected to the coil blade well( those can fall off) / Slide boot over spring,- back onto coil/ wipe spring with finger , then use residual grease to hit the top boot seam. Finish cleaning spring as said/ Install coil.

Remember , those coils are suppose to remain loose and ride on a bushing. Otherwise the housing fractures and moisture compromises windings. They must move freely.