J J Jamescox1985 Dec 28, 2015 My 96 Chevy 6.5td is only pish big 2lbs of boost. With/without a load. I've replaced the vacuum pump. What else could be the problem?
My 96 Chevy 6.5td is only pish big 2lbs of boost. With/without a load. I've replaced the vacuum pump. What else could be the problem?