I've heard of a gasoline mixture in the fuel causing burned glow plug tips...
I've heard of a gasoline mixture in the fuel causing burned glow plug tips...
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An injector that is peeing a stream will do it as well.
(1) 1995 Suburban 2500 4x4
(1) 1997 Astro
(1) 2005 Suburban (Papa Smurf)
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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.
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Lil Red - Duramax 6600 Conversion
Content Web Site
The Diesel Page - 6.2L/6.5L Diesel Books
The 6.2L/6.5L Troubleshooting & Repair Guide
Duramax Diesel Conversion Guide
Duramax Diesel Service Guide - How to Replace Head Gaskets, Injectors, Water pump, and more - New!
Photo Album
TDP Youtube Channel - New!
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"
(1) 1995 Suburban 2500 4x4
(1) 1997 Astro
(1) 2005 Suburban (Papa Smurf)
THIS IS BOW TIE COUNTRY