what would cause the truck to shake like crazy
 

Hello everybody new here i have a question im hoping somebody will know the answer the other morning i got in my truck and started it and the whole thing started shaking like the front was going to fall off when the idol dropped from warming up it wasnt that bad but when i gave it gas it was there again im afraid to drive it so its been sitting for a while now i tried replacing plugs and wires no change but number 6 plug was really bad it looked cracked and oil fouled i checked compression on that cylinder and it was good all plugs are getting spark i have a light coolant leak on the front of the lower intake im not sure if this has anything to do with it any clue thanks.

Broken motor mount?

Exhaust manifold leak?

playing jerry lee lewis' "great balls of fire" very loudly.

Too funny.

So its shaking like it has a dead miss in one or more of the cylinders?

If you have a mechanics stethoscope touch it to each of the injector bodies that you can reach and see if they are working or "clicking", especially #6. You may have a dead injector? I am not sure if these are batch fire or sequential fire, I want to say batch. I have seen a bad injector overload an injector driver in the computer and have it shut down the driver. If it is batch fired that could mean more than one injector would stop working making for a heck of a miss/shake. Probably need more info to help you out though.

Or, if that doesn't work, check and see if there is a really big dog in your bed passing a peach pit?:)

Its Disco Dancing! sorry had to do it

What engine/transmission does the truck have?

Is the check engine light on. might be a clue there if it is.

thanks guys its a 93 302 5.0 and the check engine light is not on.

do you live in chile or haiti? could've just been an aftershock.

That was funny i live in california in the good ol U.S.A but we have had some good size earth quakes lately but i can control these quakes with the turn of my key.

i've had a spun bearing in a 460 that made that happen but i would imagine your check engine light would be on if that were the case

So have you pulled the plug wires one at a time to determine which holes are dead? Does it seem like it is more than one cylinder missing?

I did pulled each wire and nothing changed