6.5L Diesel Engine
1993 Chevy Silverado k3500 , DB2 4911,NV4500, 292k miles.
Original DB2 was plagued by the hot start issue at 284k. Replaced with a rebuild that lasted 13 months. 1 month past warranty.
At 1700 rpm it would fluctuate a couple hundred rpm. At 2000rpm it would auto rev up to 2500rpm. Bucking and...