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The Duramax LLY is one of the most famous 6.6L diesel engines from GM. It was built in the mid 2000’s and it had a reputation for good towing, decent torque, and a fairly simple diesel design. But age and some well-known weaknesses mean buyers and owners should be aware of its potential problems. Some …

Continue reading "LLY Duramax Problems: Common Issues, Reliability & LLY vs LBZ"

The 7.3 Powerstroke is a tough engine, but even a great diesel engine eventually needs exhaust system repair. The up pipe is one part that is often overlooked. 7.3 Powerstroke Up Pipes carry exhaust gases from the engine to the turbocharger. If these pipes, seals, or connections leak, valuable exhaust energy can be lost before …

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The first-gen Cummins is in a league of its own in diesel-truck history. The 5.9-liter inline-six was first introduced in 1989 model-year Dodge pickups, helping to establish the Cummins name as a synonym for durability, torque, and long-term serviceability. The original Cummins design was remarkably mechanical, as opposed to so many modern diesels that rely …

Continue reading "1st Gen Cummins: 5.9L 12-Valve Specs, Years & Complete Guide"

When turning the key or pressing the start button in our vehicle, we’re relying on a complex harmony among air, spark, and fuel to generate power. And if something goes wrong with these three, our engine’s performance will most likely be dramatically affected. Among the list of possible things that can go wrong, low fuel …

Continue reading "A Complete Guide on Low Fuel Pressure: Symptoms, Causes, and Solutions"

When your heavy-duty Ram truck’s check engine light glows, it can turn your day from good to awful, especially if the P2509 diagnostic trouble code appears. This situation is especially undesirable when it comes to the P2509 code (6.7 Cummins) or P2509 (5.9) because it indicates an electronic malfunction in the vehicle’s powertrain. Being able …

Continue reading "Troubleshooting Guide for Dodge Cummins Diesel Trucks: The P2509 Code"

Maintaining the fluid levels and change intervals for a 6.0L Powerstroke V8 turbo diesel engine is of utmost importance. This engine was manufactured by Ford and used in the 2003-2007 model years, and it uses a High-Pressure Oil System (HPOS) to operate the Hydraulic Electronic Unit Injectors (HEUI). The oil being used not only lubricates …

Continue reading "Complete Maintenance & Fluid Guide on Ford 6.0 Powerstroke Oil Capacity"

Does your car have problems with slow acceleration, engine misfires, and low gas mileage? These symptoms indicate that there is a problem with a fuel pressure sensor. You may need to replace your fuel rail pressure sensor or check your fuel pressure regulator symptoms. When the fuel pump sensor is faulty, or there is erratic …

Continue reading "Bad Fuel Pressure Sensor Symptoms Guide"

For owners of the legendary 7.3L Powerstroke diesel engines, one of the most important parts to know about is the IPR valve. Whether you are facing a crank-no-start problem or searching for ways to boost your engine’s performance, it is crucial to know what the Injection Pressure Regulator (IPR) is so that you can keep …

Continue reading "7.3 IPR Valve Guide: Performance, Troubleshooting, and Maintenance"

In any high-performance valve stem engine, there is a small component that takes on a huge task. Engine valve seals serve as gatekeepers of the engine’s cylinder head to manage oil flow to ensure that the engine valve stem gets enough lubrication while not allowing excess oil into the combustion chamber. When a valve stem …

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Different seals are used in engines to keep fluids contained. The valve cover gasket is one of the most important engine seals. It helps maintain proper engine lubrication and controls the potential for messy, unsafe oil leaks. With time and heat, valve cover gaskets can fail. Knowing how the sequence works will help prevent costly …

Continue reading "The Ultimate Guide to Valve Cover Gaskets: Symptoms, Replacement, and Cost"