Making its debut in 2000, the Duramax LB7 V8 turbodiesel could generate 300 ... creating several problems. Owners have voiced serious issues like sudden power failure, inability to start the ...

The LB7 has one major Achilles' heel ... There are a few common problems with the 3.0 Duramax engine. First is a crank issue where the engine either takes a long time to start or doesn't start ...

General Motors’ 6.6-liter Duramax LB7 was a state-of-the-art V8 diesel ... While there have been a few reported problems, improvements to its design have kept it a top-of-the-class diesel ...