Ordered motorcraft plugs and coils after instal truck wont stay running idles like c on nplete **** then dies after 1 minute of run time...
What do you guys think is going on ?

 

double check your work...there has to be a loose connection or plug somewhere

 

Alright i had to sea foam them to get them out let it sit for 2 days got them all out no breaking just making sure that **** didnt clog something up ill check everything when i get off work was just over it last night figured id ask on here. If a coil was dropped it would make that coil bad now and would 1 cylinder misfiring cause it to run like that

 

You may have flooded the engine a bit and just need to seafoam to work it self out. On the coil, dropping them can make one fail, but it's rare. Think about it, these coils are in the engine bay getting cooked on the daily, so they're built pretty tough. To see if the coil is bad, swap it with a coil from another cylinder and see if the misfire follows it. If it does, you have a bad coil.

 

Problem is idk which damn cylinder is misfiring its running so bad wont even stay running dropping down to 300 rpms and smoking.. the smoking has gotten better more within the couple times i started it to qork out the seafoam i thought that was the issue too

 

Loosen all the coil bolts and start the truck. Put on a glove to prevent any possibility of shock (the risk is very low) and lift each coil one by one. See if the idle changes when you move the coil off the plug. If so, that plug is good, move on to the next. If there is no change in the idle, then there is something up with that cylinder.

 

Thats some great advice right there thanks man thats what im gonna try first to try and track down what is going on i have my old coils that all werent bad im gonna swap the one i dropped first see if that changes anything and then start doing that

 

10-4 diagnosis is the bane of mechanical work. You'll figure it out. Especially if the truck ran fine before, the only thing that changed were plugs and coils. Should be easy to track.

 

It was shuddering bad it low rpms any gear thats what made me do the coils and plugs now its just ten times worse but thats the only thing that i have touched so far.. it atleast ran and idled before just fine just when in gear driving in 1 threw 5 didnt matter low rpms would buck like crazy

 

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