duramax high mileage problems


What Is Considered High Mileage for a Duramax Diesel Pickup Truck? This is where maintenance records can be invaluable. Thanks guys, I will probably shy away from this truck unless they offer me something spectacular with the price. 06 Mega 2500 4x4 6" Superlift with 18" XD Monsters and 37x13.50 Toyo Open Country. 01-01-2021, 09:53 PM. As the first Duramax platform offered by GM for their 2500HD and 3500 line-up, the LB7 offers a good mixture of power and fuel mileage. The Powerstroke engine is found in Ford trucks and, like the Duramax and Cummins engines, can often last up to 500,000 miles. Although it’s important to maintain the engine, some diesel pickup drivers say that it’s even more important to keep the truck alive around the engine because it’s more likely that the truck itself won’t last more than 500,000 miles even though its well-maintained diesel engine could. Cummins vs Duramax vs Power Stroke - 2020 Diesel Engines ... by announcing that the high-output Cummns 6.7L I-6 engine in its heavy-duty rigs makes 400 hp … CP4 High Pressure Fuel Pump Failure. 24k. But it’s also important to remember that there are a number of other factors besides just the number on the odometer that determines the life expectancy of a diesel truck such as: For example, a diesel pickup with 200,000 miles or more that has only had one or two owners and has good maintenance records is likely to be a better bet than a 100,000-mile truck with four owners and few records. Is your truck in the high-mileage category? And if Im going to buy a high mileage truck I would rather it be diesel. Because of that, it’s not uncommon to see diesel pickups with 200,000 and even 300,000 miles commanding good resale values on the used truck market. It was very smooth in both the engine, trany and the ride. Diesel truck bodies themselves are built to be more durable because diesel engines are heavier than gas engines, so the trucks are designed and constructed to be tougher. Can't help you with the high mileage part, but I have an 06 LBZ and love it. The warranty is gone so any problems are going to be on you. With the evolution of diesel emissions standards, the LMM added a diesel particulate filter or DPF. However, as with the Duramax and Cummins engines, between 350,000 and 500,000 miles is usually considered high mileage for a Powerstroke engine. By installing a FASS Titanium Signature Series pump you’ll solve all the problems with a Duramax fuel system in one fell swoop. mind you 99% of my milage is all highway miles since I live in a very rural area with 4 traffic lights within 100 miles and I drive 30 miles to work every day. Brand new diesel pickups tend to have higher price tags than their gas brethren, so buying used often makes a lot of financial sense. A major part of this fuel injection system is the CP3 fuel injection pump. Maintenance has a lot to do with the life. Of course, it again depends on how well-maintained the engine is. Buy the truck if it fits your needs without a worry 5 Most Common LMM Duramax Engine Problems 1. 5" pipe turbo back with no restrictions, Arc-air intake and Afe open air element. It’s worth noting that Ford trucks are the most popular truck brand in America and are well-known for their overall reliability. You’ll find a wide range of Cummins diesel parts, Duramax parts, and Ford diesel parts available on our website. What Is Considered High Mileage for a Cummins Diesel Pickup Truck? I buy filters and oil in bulk, oil every 5,000, fuel and trans filter every 10,000. Free Domestic Ground Shipping On Orders Above $100, Ground And Free Shipping Orders Placed Before 2PM PST Monday – Friday Will Ship Out Same Day Overnight And 2 Day Orders Placed Before 3PM PST Monday – Friday Will Ship Out Same Day, Proven, Tested Diesel Parts For Long-Term Durability, Powerstroke vs. Cummins – How To Choose Between Two Top Diesel Engines, How To Charge A Diesel Truck With Two Batteries, Check for service documentation to ensure the engine has been well maintained, Perform an engine and transmission service immediately after purchasing, If the engine checks out, inspect the chassis thoroughly, Switch to a synthetic engine and gear oil, Remember that certain engines have specific problems, Better extreme low and high-temperature performance, More resistance to oil breakdown from heat, Improved resistance against oxidation and sludge. The 07.5 is the new LMM new body style and has the DPF on it which robs fuel mileage. They feel they have been ripped-off. Unlike the ultra-durable CP3 that came before it, the CP4.2 doesn’t possess the same track-record for reliability. • Drivers looking for a used diesel pickup usually know that high mileage doesn’t mean the truck’s life is over. It’s not uncommon to hear claims of 18-20 mpg from LB7 owners, and even though the platform was plagued with semi-serious injector problems, some can be found with injectors that were replaced under warranty. My stereo sucks on cold mornings (FM and AM get no reception) until I have been in the truck for 15 mins. Thoughts on high mileage 2019 Duramax? Single owner. Love the fuel economy- Hate the little issues that keep popping up. This particular 2005 GMC 2500HD was driven off the lot at McCaddon GMC in Boulder, Colorado on March 14, 2005. The 6.6L LB7 Duramax uses a high pressure common rail fuel system with direct injection. For example, it might be relatively common for the water pump in a certain truck to fail every 100,000 miles or so. Tens of thousands of working-class diesel truck owners face the same issue. These high fuel economy ratings will be on two-wheel drive models. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. But don’t worry! Some owners say that 100,000 for Chevy diesel trucks is high mileage, while others say that nothing under 350,000 should be considered high mileage. Additives can help increase the gas mileage of any diesel engine, whether it’s high-mileage or not. Between 350,000 and 500,000 miles is usually considered high mileage on a Cummins diesel. My question is though, how high mileage is too high? While the CP3 has proven itself as reliable, it’s not only responsible for pressurizing the fuel before it’s sent to the injectors, but also for drawing fuel from the tank. I noticed it does have a hole cut in the bed for a hide-a-way ball hitch for a goose neck trailer. and getting ready for a cross country move towing to Seattle. Dear Diesel Owner, We understand your frustration with purchasing a very expensive diesel and getting less than optimal diesel fuel mileage. Duramax 6.6l Turbo Diesel Repair Experts Point out Common Problems. Forum: Duramax 6600. I have a 2017 with 65,000, no issues at all. Like the Duramax, Cummins diesel engines can be expected to last a long time. Performance & security by Cloudflare, Please complete the security check to access. • But Im having trouble finding even gassers for sub $15000 with any less than 100k on them. As mechanical parts wear out in high-mileage engines, friction can become greater. A truck with 300,000 miles might be in great condition, but if the water pump hasn’t been replaced for 150,000 miles, you may be looking at costly repairs. With modern trucks lasting longer than ever, it’s not unusual to find gas trucks with lifespans over 200,000 miles. 2. Lots of repeat problems with the DEF pump. It’s never too late to start using synthetic engine and gear oil on a high-mileage diesel truck. Long-term operation of one of these older diesel engines without additional lubrication can cause early injection pump failure. While various versions of the engine have surfaced over the years, all generations of the Duramax are based on the same foundation. Congrats! Diesel pickup trucks often get higher mileage than gas trucks thanks to having more durable engines that can withstand higher compression ratios. So is 98k high mileage? Best truck I have ever owned. The LML Duramax took a big performance leap to nearly 400hp and to 765lb-ft. of torque. Just rolled 50K (it had 6K on it when I bought it 2010!!!) But a fuel additive can help modern diesel engines as well. Even when used extensively for towing and hauling, Powerstroke, Cummins and Duramax diesel trucks typically last well beyond 100,000 miles. Common Issues and Problems We See In The Shop With The LB7 6.6 Duramax Engine 4th May 2015 If you have a 2001-2004 Duramax 6.6 LB7 diesel pickup or are looking to buy one, here are some common issues and problems we have run into in our shop. Looking at a 2019 Chevy 2500 duramax with 105k on it. As I said Im not looking for a duramax, I dont really want one. Earlier years had injector issues, I'm thinking 99 or 00 to 04. More friction means more heat, which further breaks down oil and diesel truck parts. Along with the engine’s problems, it’s important to research the specific truck’s issues as well. Tips on … A truck with a well-maintained exterior and interior is likely to have been well maintained mechanically as well. Welcome! At this point, the general consensus is that blame lay with the head bolts, which can stretch over time or with hard use. Tows with ease and is super comfortable. I change my oil regularly and i have actually noticed an average of about a 2 MPG increase since I hit some where around 60000 miles. What Is Considered High Mileage for a Powerstroke Diesel Pickup Truck? Ultimately, synthetic oils reduce friction better than traditional oil. Diesel pickups often last 500,000 miles and more. To accommodate for the power increases, Duramax strengthened the block, pistons, rods, main bearing, and a higher flowing fuel pump. Opinions vary about what is considered high mileage for these engines. It depends on how much oil is covering that area. Dealer wont fix intermittent problems. The joint venture (and resulting engine) was known as Duramax, and the LB7 was the first of many models to come. Another way to prevent getting this page in the future is to use Privacy Pass. You may feel like your Duramax has plenty of power but the fact is Emission Standards have forced de-tuning of the low-end power curve of your diesel. It’s a good idea to start a fuel additive regimen when buying an older diesel truck that has a mechanical injection system. Ever since the manufacture started back in 2001, the 6.6l Duramax has proven to be a reliable and durable choice for most owners. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. It has 98k miles on it, I have heard that diesels can run forever if taken care of. Your IP: 157.230.243.173 As with other vehicles, not all high mileage diesel pickups are the same. Im at about 67000 miles, I bought it off the lot and I have had no issues with my engine yet. LB7 Duramax Mileage. Consider the following when buying a used diesel pickup: Engines with high mileage often have oil leaks and it’s not always something to be alarmed about. 19trax95 is definitely on the ball, LBZ motors are typically considered the best but then again it is no secret and most people selling their trucks seem to put a premium on them because of the demand. Duramax LMM Common Problems. Synthetic oil offers the following benefits: The biggest enemies to oil stability are heat, repetitive mechanical forces and chemical breakdown from fuel dilution. It's not uncommon to see 300K+ Duramax's for sale now and still running strong. This de-tuning over the past 10 years has caused diesels to drop from 20-25 MPG down to NEW trucks averaging 14-16 MPG. On the other hand, oil more heavily coating the area around a seal or gasket might raise a bit more suspicion. Join the thousands of diesel truck owners why discovered the best way to increase your Powerstroke, Duramax, and Cummins diesel truck's fuel mileage is to upgrade with a MPG Performance Module. The truck’s overall condition and appearance are also important. Maintenance of the truck and the engine is the key to getting the most miles. In other words, while no oil leak is obviously preferable, the presence of a small oil leak on a high-mileage diesel engine shouldn’t necessarily be a deal-breaker. However, as with the Duramax and Cummins engines, between 350,000 and 500,000 miles is usually considered high mileage for a Powerstroke engine. High Mileage. Synthetic oil can extend the life of a high-mileage diesel engine and increase its efficiency. You should be picky and really aware when shopping for the higher mileage duramax. Maintenance of the truck and the engine is the key to getting the most miles. In conclusion, there is no single number for what is considered high mileage for a diesel pickup truck; however, in general, anything over 500,000 is usually considered high mileage. GM’s 3.0L Duramax Diesel engine gives Silverado 1500 and Sierra 1500 owners up to an estimated 33 miles per gallon on the highway and 23 in the city. The 6.6L Duramax has been in production since 2001 and has proved, on a large scale, to be a relatively reliable and durable platform. CLICK HERE to purchase our LML CP4 High Pressure Fuel Pump Failure Kit. Failure of this CP4 pump is usually catastrophic, causing instant contamination of the entire fuel system with metal particulates. LML: 2011-2016. For example, if you’re getting low gas mileage and a decrease in power, then there is a high chance your fuel pressure regulator is malfunctioning. Higher-mileage engines are more susceptible to all of these forces. As always the Allison trans is solid. A poorly-maintained engine can quickly fall into disrepair before it even reaches the 100,000-mile mark while a well-maintained Duramax pickup truck should last 400,000 or even 500,000 miles. It’s a 6.6-liter, common-rail injected, 32-valve, V8 turbodiesel which put out 235hp and 500 pounds of torque in its first year, and for the final year of ‘04 the LB7’s output had grown to 300hp and 520 pounds of torque. But always keep in mind that there are many more considerations in buying a used diesel pickup than mileage. The least problems … You may need to download version 2.0 now from the Chrome Web Store. My AC is intermittent on hot days in stop and go traffic. Welcome to the Internet's first Duramax 6600 diesel discussion forum for the LB7, LLY, LBZ, LMM, LML, LGH & L5P RPO code engines. This one is specific to the LML code Duramax produced between ’11-’16, which used the Bosch CP4.2 high-pressure fuel pump (vs. the predecessor CP3 found on LB7, LLY, LBZ and LMM engines). Diesels are, by nature, more sensitive to driving conditions and driving style than gas engines. :rock LMM DPF Failure. High mileage and age often bring about inevitable electrical problems on any modern diesel. ProSource is where repair shops shop for reliable and hard to find diesel parts and kits. In this guide, we will walk you through the most common issues that Duramax Fuel pressure regulator experience. Similar to the LBZ’s transmission line problems, the … Reduce Leaks, Engine Wear, and Oil Consumption for Vehicles above 75,000 Miles DuraMAX High Mileage Synthetic Blend Motor Oils are specially formulated for high mileage engines, especially those engines with over 75,000 miles. Z series bed cap- Yakima cargo rack- Weathertech mats- N-Fab nerf bars We provide top quality parts for the specific make of your diesel truck. The LBZ has the most hp and torque only a catalytic converter in thye exhaust system that is easily done away with. Gain up to 5 MPG more miles per gallon with your diesel pickup. For example, a diesel pickup used extensively for towing and hauling heavy loads for 100,000 miles might be in need of some major repairs while a lightly used diesel pickup with 200,000 miles on the odometer might still have years of trouble-free life ahead. For example, a bit of oil seepage around the front and rear main seals isn’t all that alarming and is even expected. A well-maintained high-mileage Powerstroke, Cummins or Duramax diesel pickup truck is often a better bet than a poorly-maintained and heavily-used diesel pickup with lower mileage. Small leaks around gaskets and seals are not uncommon. However, diesel pickups can go above and beyond that number. Cloudflare Ray ID: 628cd6fa08cf190c Imagine driving your truck 400 miles today, 400 miles tomorrow, and 400 miles every single day for the next 5 years (that's 1825 days).If you did, your Duramax would have what this truck has - more than 750,000 miles on the odometer. Buying a diesel pickup truck with 250,000 miles or more might be a great deal. The L5P engine is looking to be the best of the Duramax linage for power and fuel system. In the city, LB7 drivers can expect 17 to 18 mpg, though figures might vary as low as 15 or higher than 20 mpg depending on your driving style. Duramax Problems Common Problems with the 6.6L Duramax Diesel. Duramax is the brand of diesel engine found in trucks made by General Motors which includes GMC trucks and Chevy trucks. Merchandise: https://teespring.com/stores/top-line-racerFollow me on Instagram @TopLineRacerEmail me: TopLineRacer@gmail.com Many of the RV long haul delivery guys have put 250,000+ miles on these trucks with no problems at all. And it’s not just their engines that are sturdier. 2019 Z71 CCLB Diesel-OME HD rear leafs/2 inch rear lift -Eibach front struts/set at 2 inch front lift 4th notch-Icon rear shocks 2.0- BFG KO2 275-70 r17-Method 701 wheels- A.R.E. Please enable Cookies and reload the page. Many versions of this engine have been produced in the … Leaking Transmission Lines. Cummins is the brand of engine found in the Dodge diesel and Ram diesel truck lines. Buying a particular engine model that appears to have the least amount of problems might not matter if the truck it’s in has problems. The 2011-2016 Duramax suffers from a high pressure fuel pump issue unique to this year range. Research Specific Diesel Engines and Trucks. After years of use and hundreds of thousands of miles, the LLY’s injector harnesses are known to wear through due to vibration and throw injector output circuit DTCs. The very best years to own are the 06-07 LBZ (Classic Body). Nevertheless, head gasket failures are very common, particularly on higher mileage vehicles and engines re-tuned for more power. Considerations for Buying a High Mileage Diesel Truck. As with any vehicle, different trucks and different engines have different problems. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. You can count on ProSource Diesel for all your diesel truck parts and accessories regardless of which diesel truck you have. Four-Wheel Drive models are capable of 29 miles per gallon on the highway and 23 miles per gallon in the city.