%%date%% %%sep%% %%sitename%% The accelerator pedal position (APP) sensor on a diesel truck is a part that tracks the position of the accelerator pedal at any given time. When you depress the pedal, the APP sensor updates the electronic throttle control (ETC) about the new position. When the APP sensor begins to fail, it can cause symptoms like a high idle, engaged limp mode, erratic acceleration, and a check engine light. ProSource Diesel takes a look at the purpose of an accelerator pedal position sensor, the symptoms of a bad one, and how to test and reset it. What Happens When the Acceler ..read more

%%date%% %%sep%% %%sitename%% Pull up to the pump and you might see options for #1 and #2 Diesel. But beyond the number, what’s the difference? We’ll help you see what the differences are so you can decide which one is best for you. We’ll look at characteristics like volatility, viscosity, Cetane rating, cost and availability to help you choose the right fuel for your vehicle and driving needs. The Difference in Diesel Fuels Let’s take a look at the main differences between these two fuels. As you’ll see, some key points give each type distinct advantages and disadvantages. 1. Volatility #1 D ..read more

%%date%% %%sep%% %%sitename%% The winter cold is slowly lifting, and many are beginning to see winter’s end in sight. As warmer weather rolls in, it’s the perfect time to give your diesel truck a spring tune-up. There are plenty of ways to prepare your truck for spring. You can clean off the crud from that harsh winter weather, focus on much-needed repairs, or catch up on your maintenance schedule. There’s lots to do, and we’ll help you get started. Exterior Maintenance Cleaning your exterior is an easy place to start. Road salt and mud have likely made their way onto your undercarriage and p ..read more

%%date%% %%sep%% %%sitename%% The 6.4-liter Powerstroke engine was very short-lived. It was put in Ford trucks beginning in 2007 for the 2008 model year and the last production year was 2011 for the 2010 model year. The 6.4 Powerstroke came after the 6.0 Powerstroke, which was widely panned for its problems and poor performance. The issues with both of these engines eventually led to the end of the working relationship between Ford and Navistar and led to Ford designing its next diesel engine in-house. Numerous problems plagued the 6.4 Powerstroke including up-pipe leaks, radiator problems, we ..read more

%%date%% %%sep%% %%sitename%% Unlike gas-powered engines, which use spark plugs, diesel engines use fuel and high-pressure air to create combustion and power. It is crucial for diesel engines to maintain this pressure to keep the engine running and to start the engine in the first place. A diesel engine also requires a consistent flow of high-pressure oil to activate the fuel injectors. That’s where the injection pressure regulator (IPR) valve comes in. The IPR valve controls the oil pressure throughout the engine, which also ensures that the fuel injectors fire when needed. Even though the IP ..read more

%%date%% %%sep%% %%sitename%% What is a Serpentine Belt? If you look at the parts on your 6.7 Cummins, the serpentine belt stands out as one of the most essential. The serpentine belt is named for its snake-like appearance, and like a snake, it coils around several engine components, binding them. In addition to connecting several pulleys, it provides power to many crucial systems, including your power steering, water pump, air conditioning, and alternator. All of the following parts rely on your 6.7 serpentine belt: Idler pulley Accessory belt drive Power steering pulley Radiator fan pulley ..read more

%%date%% %%sep%% %%sitename%% The Duramax diesel engine, commonly found in Chevy and GMC full-size trucks made by General Motors, is generally reliable. However, some generations of the engine had more problems than others. If you own a truck with one of the more problematic engines, you may find yourself looking for diesel truck parts to make replacements. The LB7 Duramax was one of the strongest Duramax diesels, but it still had problems. You may find yourself replacing diesel parts in this engine such as the water pump and original factory injectors. The LLY Duramax engine was only produced ..read more

%%date%% %%sep%% %%sitename%% Most modern vehicles, including diesel vehicles, have been designed to operate in cold weather. This is mainly due to low-weight synthetic oils that start circulating faster. However, freezing temperatures like you might find in Canada and the northern parts of the USA can still affect things under the hood like fluid and batteries. Too low of an outside temperature, and your vehicle might not start at all. Diesel trucks have always been notoriously difficult to start in cold weather and usually, anything at or below 20 degrees Fahrenheit requires an engine block ..read more

%%date%% %%sep%% %%sitename%% Your truck has a heart: the turbocharger. From acceleration to towing power, the turbo plays a key role in your truck’s performance, and if you want your truck to reach its full potential, a well-maintained turbo is vital. Sometimes turbo troubles undermine your truck’s performance. You generally have two solutions to turbo problems: swap it out with a new turbo or fix it with parts from a turbo rebuild kit. You might feel tempted to replace your turbo but don’t overlook rebuild kits. These kits are a relatively new solution to turbo problems. With modern advancem ..read more

%%date%% %%sep%% %%sitename%% The 6.7 Cummins engine saw significant changes in 2007 when it was introduced to replace the previous 5.9 24V engine. This is still considered the Cummins B-Series engine due to the same architecture being carried from 1989, but the current version uses several technologies that weren’t even on the radar in the passenger diesel engine market only a few years before it came out. The new 6.7 Cummins engine featured new diesel parts technology like digital common-rail injection, variable geometry turbocharging, exhaust gas recirculation, a closed crankcase, lean-oper ..read more