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https://www.duramaxforum.com/threads/fuel-delivery-problems.85500/
Feb 13, 2011 · Ive got a 2004 lly and Ive got the same problem, only diff is mine idles a little hard, wont blow smoke all the time either, if your having those same symptoms have the fuel pressure regulator checked, thats what a chevrolet dealer told me was wrong with mine. truck still runs good and its a bit of a pricey fix, dealer wants $900 to fix but smaller shop wants more like $6-700.
https://www.dieselworldmag.com/gm/injector-replacement-correcting-duramax-turbo-fuel-delivery-issues/
One major failure with diesel engines occurs in the fuel delivery system. One of the culprits can be fuel injectors. We came across common fuel injector issues with a 2001 Chevy Silverado Duramax 6.6L (LB7, 2001-2004) turbo. The engine was overheating, …
http://www.duramaxhub.com/duramax-problems.html
Duramax Problems Common Problems with the 6.6L Duramax Diesel. The 6.6L Duramax has been in production since 2001 and has proved, on a large scale, to be a relatively reliable and durable platform. While various versions of the engine have surfaced over the years, all generations of the Duramax are based on the same foundation.
https://itstillruns.com/problems-duramax-5985935.html
Fuel Starvation and Injector Problems These two problems are thought by many to be related, though that hasn't entirely been confirmed. The Duramax has long been susceptible to fuel starvation failures because the engine doesn't use a lift pump to …
https://www.pcesandiego.com/blog/duramax-6-6l-turbo-diesel-repair-experts-point-out-common-problems.html
Duramax 6.6l Turbo Diesel Repair Experts Point out Common Problems Injectors for 6.6l Duramax Diesel are Known to Suffer from These Issues. Overheating is a Common Occurrence Some Users Experience. Faulty Glow Plug Can Lead To a Disaster. 6.6l Duramax replacement …
https://www.youtube.com/watch?v=sAJYUvjC7wA
Feb 11, 2013 · duramax p1093 checklist part 3 frame to transmission fuel line - Duration: 9:40. Veikra 4,755 viewsAuthor: 2turboKL
https://www.injectorsdirect.com/duramax-lml-lgh-cp4-pump-failure-technical-bulletin/
The 2011-2016 Duramax suffers from a high pressure fuel pump issue unique to this year range. Failure of this CP4 pump is usually catastrophic, causing instant contamination of the entire fuel system with metal particulates. Chances are, if you’re looking at this page, you’re well aware of the problem.
https://www.littlepowershop.com/blogging/common-issues-and-problems-we-see-in-the-shop-with-the-lb7-66-duramax-engine/
Fuel Filter Housing Oring Leaks – The Duramax fuel system does not have any sort of low pressure fuel pump pushing fuel to the engine from the tank. The injection pump sucks all the fuel from the tank.
https://www.reference.com/world-view/common-problems-duramax-diesel-engines-78f8682174ac5173
Common problems with Duramax diesel engines include air in the fuel lines, fuel starvation, water pump failure, overheating, injector failure and harness chafing. Some of these issues are preventable with certain modifications.
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