so i just bought a 1994 chevy 3500 with a 6.5 turbo diesel. when i first got it it seemed like it had no gitty up but seemed ok. now about a week later when i rev it up it will start missing and blow a little white smoke.It starts hard. also quite a bit of oil is running out underneath it an i beleive it has diesel in it and my oil is low and i think it has diesel in it too. Do i need new injectors ? I have no idea.

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Also i forgot to say that it only has 114000 miles but is a city truck so probably alot of idling time

 

Ive read some threads on other sites about this. You might have a broken or cracked injector, or a crack in the head somewhere. Im not for sure though. Im new to the 6.5 as well. but i have read dozens of forums.

 

white smoke could be headgasket or cracked head. what does the smoke smell like

 

sounds like a head gasket, or cracked head to me. you need to find out exactly where the oil is coming from location wise.