Prosource Diesel

Introduction Every diesel truck owner wants dependable performance, especially when towing heavy loads or driving long distances. While the 6.7L Cummins engine has built a strong reputation for durability, one factory component has gained attention for the wrong reasons—the grid heater. Over time, many owners have discovered that this small part can become a significant reliability concern if left unchanged. As a result, the 6.7 cummins grid heater delete has become a popular modification among enthusiasts looking to improve engine dependability. Understanding how this system works and why many owners choose to replace it can help you make an informed decision for your truck. What Is a Grid Heater and How It Works A grid heater is an electrically heated element located inside the intake system. Its primary purpose is to warm the incoming air before it reaches the engine cylinders during cold starts. Unlike glow plugs used in some diesel engines, the Cummins engine relies on this inta...

Introduction Knowing the correct oil capacity for your Duramax engine is one of the simplest ways to keep it running reliably for years. Whether you drive an early LB7-powered Silverado or the latest L5P-equipped GMC Sierra, using the proper amount of engine oil helps maintain lubrication, regulate engine temperature, and protect internal components from unnecessary wear. Many diesel truck owners focus on selecting the right oil viscosity but overlook how important the correct fill quantity is. Too little oil can reduce lubrication, while overfilling may increase crankcase pressure and cause performance issues. This guide covers every Duramax generation from the LB7 to the L5P, helping you understand the recommended oil capacities, maintenance tips, and how these engines compare with other popular diesel platforms. Why Proper Oil Capacity Matters Engine oil performs much more than lubrication. It also cools engine parts, removes contaminants, reduces friction, and protects against corr...

Introduction to the 7.3 Powerstroke ICP Sensor The Ford 7.3L Powerstroke has earned a reputation as one of the most dependable diesel engines ever built. Many of these trucks continue to serve as daily drivers, workhorses, and towing vehicles decades after leaving the factory. While the engine is known for its durability, a  few components naturally wear out over time, and one of them is the icp sensor 7.3 . A faulty Injection Control Pressure (ICP) sensor can lead to poor performance, difficult starting, rough idling, and reduced fuel efficiency. Understanding how this small sensor works can help you identify problems early and avoid unnecessary repairs. Whether you're a first-time diesel owner or an experienced enthusiast, learning about the ICP sensor is an important part of keeping your 7.3 Powerstroke running at its best. What Is an ICP Sensor and Why It Matters The Injection Control Pressure sensor is a critical component of Ford's Hydraulic Electronic Unit Injector (HEU...

Introduction Fuel economy is one of the biggest concerns for diesel truck owners, especially those who use their pickups for long-distance travel, daily driving, or towing. While power and reliability often take center stage, understanding how much fuel your truck consumes can help lower operating costs over the long term. Among General Motors' diesel lineup, the LB7 and LBZ remain two of the most respected engine generations. Owners continue to debate which one offers the better balance of performance and efficiency in real-world driving. Although later models such as the l5p duramax introduced more advanced technology, many enthusiasts still prefer the simplicity and durability of these earlier engines. This guide compares the LB7 and LBZ using owner experiences, factory specifications, and practical driving conditions to determine which engine delivers better fuel efficiency. Stock Specifications and Expected Fuel Economy The LB7 engine was introduced for the 2001–2004 Chevrole...

  Introduction Every diesel engine depends on precise fuel and oil pressure to perform efficiently. In Ford Powerstroke engines, one small component plays a major role in controlling that pressure—the Injection Pressure Regulator (IPR) valve. When this part begins to wear out or malfunction, it can affect starting, idling, acceleration, and overall engine performance. Whether you own a 6.0L or 7.3L Powerstroke, understanding how the IPR valve and ICP sensor function can help you identify problems before they lead to expensive repairs. This guide explains their purpose, common failure signs, diagnostic methods, replacement steps, and maintenance tips to keep your truck running reliably. What Does the IPR Valve Do on 6.0 and 7.3 Powerstroke? The Injection Pressure Regulator valve controls the amount of high-pressure oil delivered to the injectors. Since both the 6.0L and 7.3L Powerstroke engines use a Hydraulic Electronic Unit Injection (HEUI) system, proper oil pressure is essentia...