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  1. Duramax First Generation: 2001-2004 (LB7)
    I have a 2003 Silverado 2500HD Diesel (LB7). Its had a fuel leak from somewhere on the drivers side for quite a while. It leaks mainly when driving and greatly at at hiway speeds. Doesn't leak at idle. I have been searching for it and think it is coming from the lower valve cover. Does this...
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