I've heard of a gasoline mixture in the fuel causing burned glow plug tips...
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I've heard of a gasoline mixture in the fuel causing burned glow plug tips...
An injector that is peeing a stream will do it as well.
These fuel injection pumps are volumetric in fuel delivery (limited by the volume of its pumping plungers per stroke). Sure, they can leak fuel over a longer injection interval (knock, smoke and roughness, like the injector I found in our 6.5) but total fuel delivery per power stroke can't be a lot different than the other fuel injectors.
The high-pressure-common-rail injection systems like that used in the Duramax/Cummins and others could theoretically turn a leaking fuel injector into a constant ON fire-breathing blowtorch, because fuel delivery isn't volumetric.
The issue is....If the injector is not spraying a nice clean "cone" of fuel, but instead shooting a pee stream and it is landing right on the Glow plug.....this can destroy the plug and also lead to torched piston crown too..
I agree on the common rail scenario.....
Low pop pressure squirts with poor spray patterns can do a lot of damage as well as smoke and be a general nuisance....
They will however do a fine job of dealing with the "Skeeters" :D