Hi guys,
I managed (on my own) to replace the fuel filter on my 2006 Duramax LBZ. I thought everything went on correctly but now I am seeing 12 mpg when I was getting 17. I don't see any diesel leaks anywhere around the new filter, both O-rings lubed and installed correctly and hand tightened...
I have a 2006 Silverado Duramax LBZ. This morning I started the truck and 30 seconds later it stopped and wont start again. My bad, I have had the "fuel filter needs replacing" message on for quite some time now and my guess is that it's the reason. I can do alot mechanically but the sensor...