Re: What exactly makes a diesel smoke under a load

Posted by rottenrobert on August 24, 2006 at 19:12:50 from (4.240.199.115):

In Reply to: Re: What exactly makes a diesel smoke under a load posted by H. Bowder on August 24, 2006 at 18:16:31:

There is no intake butterfly on any diesel engine whether turbo"d or not. It will pull in the same volume of air on each intake stroke. This air is then compressed and superheated on the compression stroke. When the piston reaches the desired timing point near the top of the stoke the injector sprays (atomizes) a fuel charge of whatever the throttle setting meters. Under a load the governor opens more fuel and the engine will smoke until the load eases up and the govermor backs off. Turbo lag can also cause this as welll as a faulty pump aneroid which works in conjunction with the governor to open up a little more fuel.

Replies:

• Re: What exactly makes a diesel smoke under a load Bob 19:30:37 08/24/06 (0)

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