Diesel Fuel In Engine Oil

[Rocky1]

#@$%!Already changed injector o-rings, and new turbo because of fuel in the oil. Could the head be cracked or common rail pump leaking into the engine? No skipping,smoking or codes. ????? The truck is an 03 110,000kThanks in advance for any help.

 

[Missouri Mule]

I think I read if your injector(s) stick open you hear a engine knock.

I guess a seal(s) in the cp3 could of blown and leaking fuel into block but I would think your rail pressure would be a little low.

 

[sag2]

Most likely a cracked injector body. Pull the valve cover and get it hot. Cut some white paper into strips and pull the FCA connector. Dip the paper next to each injector and if one is leaking the oil will not look the same on the paper.

 

[BradyWilliams]

Bad injectors for sure. The CP3 pump has a weep hole that stops the fuel from going back into the engine. Hope this helps. We service and test C/R injectors and CP3 pumps. Thanks

 

[Rocky1]

Thanks for all the help. We are getting the injectors checked today.