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Old 12-16-2006, 08:39 PM
DavidPhillips DavidPhillips is offline
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Re: 6.5L Diesel shooting out black smoke

It's me again.

Had to run for a minute but I thought I would just shed some light on the leaking injector theory.


If an injector is leaking fuel out of it you will get white smoke as the motor starts up due to the fuel that leaked into the cylinder. If it gets really bad you will find diesel in your motor oil. This conditions is refered to as making oil.

Black smoke is produced by extreme heat and lack of air.

Diesel that is just leaking out not burning is going to be white smoke.

If you don't get a lot of white smoke your injectors are not leaking down.

Getting white smoke? Still other things it could be.