duramax engine

my 14 2500HD has developed a couple of odd electrical issues, not sure if they are related. On the first start of the day, when the key is turned, I get one crank and then it stops . like the starter loses power. I turn the key again and it will start, though it doesnt crank as fast as...

The Duramax engine has used a Bosch CP3 injection pump since its introduction in 2001 with incredible success. The CP3 injection pump has proven to be extremely reliable and capable of supporting major performance with the help of the aftermarket who has modified them for increased volume and...