Quick Answer: What Is The Best Year Duramax?

Can you drive a diesel with a bad injector?

Home » Blog » Is It Dangerous to Drive With a Faulty Fuel Injector.

While fuel injector problems usually give warning, driving your vehicle for a long time with a clogged or faulty fuel injector can cause problems.

Increased fuel consumption.

A noticeable increase in tailpipe smoke and emissions..

How often should diesel injectors be replaced?

Diesel fuel injectors generally have a shorter lifespan than their predecessors, meaning they need to be replaced more frequently for optimal performance. The life expectancy of a good quality diesel fuel injector is around 150,000 kilometres. They should be checked out by a professional at around this time.

How much HP can a Duramax handle?

Factory 6.6L Duramax engines will make 300 to 397 flywheel horsepower depending on the model. Virtually any model can be bumped up to around 600 hp (about 480 rwhp) with simple computer tuning, provided that the turbocharger and fuel system are in good working order.

Is Cummins better than Duramax?

While the 6.7L Cummins and the 6.7L Power Stroke share the same displacement, the 6.6L Duramax is a pretty close match. … Horsepower and torque numbers are similar between the three diesel engines, but the Cummins engine leads the pack with its torque rating breaching the four-figure threshold.

Which diesel pickup is most reliable?

Best Diesel Trucks You Can Buy2006 and 2007 Chevy and GMC 2500 and 3500. … 2003-2004 Dodge Ram Heavy Duty. … 2008-2010 Ford F-250/F-350. … 2014 Ram 1500. … 2012 Chevy Silverado HD. … 1991-1/2 to 1993 Dodge Cummins. … 1999-1/2 to 2000 Ford Super Duty. … 2010 Dodge Ran 2500HD.

How long do Duramax engines last?

Most reputable organizations, such as the Association of Diesel Specialists, would agree that the 6.6l Duramax is one of the most reliable diesel motors available today. Provided proper maintenance, it can easily hit the 350,000 mile mark, with some users claiming 400-500,000 miles is the norm.

What kind of fuel mileage does a 6.6 Duramax get?

The 33 mpg highway figure should come with an asterisk though, since that’s for two-wheel-drive pickups. Buyers who opt for four-wheel-drive models will manage figures of 29 mpg highway and 23 mpg city. Right now, that makes the 2020 Silverado the most fuel-efficient full-size diesel pickup on the market.

Should I buy a diesel with 200k miles?

High Mileage Generally speaking, diesel trucks are sold with higher mileage than the typical used vehicle. It is not uncommon to see a used diesel truck for sale with over 200,000 miles on it. Granted, diesel engines typically have better reliability than a gasoline equivalent, but high mileage remains a concern.

What problems do LBZ Duramax have?

5 Most Common LBZ Duramax 6.6L Engine ProblemsCracked Pistons.Water Pump Failure.Glow Plug Failure.Transmission Line Leaks.EGR Valve Failure.

What oil does GM recommend for Duramax?

We highly recommend Amsoil Heavy Duty 15W-40 full synthetic engine oil for all Duramax diesel applications, or Amsoil Heavy Duty 5W-40 full synthetic engine oil for cold weather operation. Place a suitable container (minimum 10 quarts capacity) beneath the engine oil pan.

What year Duramax has injector problems?

Premature injector failure was a critical problem for the 2001 to 2004 model year Duramax LB7. GM corrected the problem with an updated injector design and even extended the warranty on the new injector design to 7 years/200,000 miles.

How much horsepower can you get out of a 6.6 Duramax?

While today, all Duramax trucks are paired with the Allison transmission, LB7 Duramax trucks also had an available ZF 6-speed manual transmission option….6.6L LB7 Duramax Specifications Chart.Manufactured Years:2001-2004Max Engine Speed:3,250 RPMHorsepower:235-300 horsepowerTorque:500-520 lb/ft of torque20 more rows•Jun 3, 2019

Should I let my diesel warm up?

You should let your engine idle for a few minutes to warm up before getting underway. As noted above, a diesel will not warm to operating temperature until it is under load. Thus you need only let the engine idle long enough to fully circulate the oil—30 seconds is plenty.

How reliable is the LMM Duramax?

LMM is mechanically same as LBZ, which is widely regarded as one of the best/most reliable built so far. Likely problems you would face would probably be electrical stuff or the emissions crap (DPF).

What is so special about the LBZ Duramax?

This engine’s beefier block casting, stronger connecting rods, higher pressure common-rail fuel system and updated ECM arguably made it the most powerful, drivable, reliable and tunable Duramax to date. Right out of the box, the LBZ produced 360hp and 650 lb-ft of torque.

What year is the best Duramax engine?

2017The Duramax L5P, the current model first released in the 2017 model year, easily takes the crown as the best Duramax engine yet produced.

What is the most reliable Duramax engine?

Best Diesel Engine – 10 Most Reliable Units on the Market6.6L Duramax LB7 – Overall Best Diesel Engine. … 6.7L Power Stroke – Best Ford Diesel Engine. … 7.3L Power Stroke – Best Powerstroke Engine. … 6.6L Duramax LP5 – Best Year Duramax Diesel Engine. … Chrysler 3.0L EcoDiesel – Best Small Diesel Engine. … 6.6l Duramax LBZ.More items…

How much does it cost to replace injectors in a Duramax?

The total cost to have a mechanic replace 8 injectors on an LLY Duramax can range from $3500 – $4500 CAD, depending on what other work is performed at the same time. The good news is LLY injectors are located outside the valve covers so the task is considerably easier and cheaper than on prior LB7 models.

How do you know if your injectors are bad on a Duramax?

Symptoms of a bad, clogged, leaking, dirty or faulty diesel fuel injectors include:Starting issues.Poor idling performance.Rough engine performance.Inability of the engine to reach full RPM.Failed emissions.Pollution.Higher fuel consumption.Smoke coming out of the tail pipe.More items…

Why is the Duramax so good?

Not only do the 6.6l Duramax engines deliver more torque, they have also been proven to be more durable and more fuel efficient than other diesel engine types. It goes without saying that these advantages are even more pronounced when compared to gas-powered counterparts.

How many miles is a LBZ Duramax good for?

350,000-500,000 milesRegistered. A stock truck should get 350,000-500,000 miles without major engine repair.