In the world of diesel engines, the Duramax series by General Motors holds a special place and is known for its robust performance and reliability. However, like many modern diesel engines, the LLY ...

For Duramax diesel owners, achieving optimal performance and efficiency often involves overcoming the limitations imposed by factory-installed emissions control systems. Among these, the Exhaust Gas ...

Two critical elements that need to be checked out at 100,000 miles are the EGR valve and the DPF. Hasten says to run a computerized flow test on the DPF filter tol show if the filter in the exhaust ...