well me and a buddy of mine were sitting at the post office the truck was running fine, a few seconds after we parked, the truck started skipping and was about to cut off, so i eased my foot onto the gas and it idled up. I looked in my rearview and white smoke everywhere. he doesn't live far away so i drove it to his house. assuming it was a fuel pressure regulator i went to get one (not driving my truck). i got back and put on the regulator and tried to start it. it tried to start then made a bad noise after this starter would not turn the motor.

to shorten the story, an injector was stuck open leaked the fuel out of the rail into the cylinder. i pulled the plugs to let the gas out and replaced the injector that was stuck. now its knocking and when it warms the blue smoke comes. what ussually is the problem when this happens? and is there any reason i couldn't stroke it?

 

White smoke out the tailpipe usually isn't fuel related, it's usually water. To much fuel is black... oil is blue... Are you sure you didn't hydro-lock a cylinder?

 

damn..

 

That was the first thing I thought of. Trying to compress a liquid is....

 

whatever it is, good luck fixing bro

 

I had an s10 hydrolock on me before(nitrous backfire, blew the intake into pieces but fuel still got into the cylinders) and It had just the slightest knock till I checked the compression and 5 cylinders were 170psi and one was 10psi long story short the hydrolocking occured mainly in one cylinder and "IMPLODED" the ringland, bent the rod and tore up the cylinder. Anyways good luck fixing it.......

 

im sure it wasn't water. thats what i thought at first but when i got out of the truck i could smell raw fuel. also when i removed the plugs they were all dry except for the back cylinder on the passenger side, gas poured out.

 

i hope the cylinder walls arent hurt too bad, the truck runs fine except for knock and smoke. i havent driven it any im taking the 6.0 out and putting in a stock 5.3 (hopefully temporary until 408).

its just wierd i had the 8.1 marine injectors and ive never heard of them just sticking like this.

 

that sucks man. hope you get everything worked out

 

[QUOTE=stockgmc;3918781] (hopefully temporary until 408).QUOTE]

408......hmmmm....... i like the way that sounds.