it is hard to start or wont start it is also excessively cranking over do you have any suggestions on what it could be
i have a 66 duramax diesel and it is having problems starting on 2008 Chevrolet Silverado 3500 HD
Scanner! Get the truck scanned for codes.
1 more answer
ck fuel filter and repl if not done so recently be careful to get a good seal or you will suck air.also they are great for air leaks at fuel filter drain.(its plastic)