How Can I Get Better Gas Mileage In My 6.6 Duramax?

Is diesel engine good for short trips?

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A diesel engine won’t save you money on fuel if you’re only taking short trips to the store, and it will end up costing you more than a gasoline engine in the long run.

“They’re quiet, they have great acceleration and extremely good fuel efficiency..

Will DPF Delete increase fuel mileage?

Based on a number of experiences of past users, removing the DPF from your engine can bring drastic changes to your MPG. … As a result, when DPF is removed, fuel mileage is definitely increased.

How many miles per gallon does a Duramax get?

2020 Chevrolet Silverado 3.0L Duramax Delivers EPA-Estimated 33 Miles Per Gallon Highway.

What Diesel truck gets the best fuel mileage?

The most fuel-efficient truck in the full-size segment is the Chevrolet Silverado 1500 Duramax, achieving 23/33/27 mpg city/highway/combined with RWD. The smooth 3.0-liter six-cylinder diesel engine makes 277 hp and 460 lb-ft of torque, and this output is routed through a quick-shifting 10-speed automatic transmission.

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

How much does it cost to replace injectors on LB7? The total cost to have a mechanic replace 8 injectors on an LB7 Duramax can range from $4000 – $5000 CAD, depending on what other work is performed at the same time.

What is the MPG of a Chevy 2500hd?

The Environmental Protection Agency doesn’t rate the fuel economy of heavy-duty trucks. That said, a truck like this isn’t what you buy if you’re after fuel efficiency, and drivers of the Silverado HD should experience somewhere around 10 miles per gallon in the city and 15 mpg on the highway.

How many miles will a Duramax LML last?

LML Duramax Service Schedule: Normal ConditionsMaintenance/ServiceMilesKilometersChange Cabin Air Filter22,500 miles or every 2 years36,000 kmFlush Cooling System150,000 miles or every 5 years240,000 kmReplace Transmission Fluid45,000 miles72,000 kmChange External transmission filter45,000 miles72,000 km9 more rows•Jan 15, 2020

How can I get better gas mileage out of my 6.6 Duramax?

Our Tips To Reduce Your Duramax Engine’s Fuel ConsumptionDon’t leave your engine idling for too long. … Don’t drive with a heavy foot. … Keep an eye on your tires. … Regularly service and maintain your truck.

Will EGR delete improve fuel economy?

You can improve your fuel efficiency with an EGR delete. That makes the process more efficient while reducing the risk of a diesel particulate filter failure. You may see up to a 20% increase in your fuel economy when using this product option while promoting improved longevity of the engine at the same time.

Should I delete DPF?

the harsh and illegal reality is that deleting your DPF will get you better performance, un-restrict the exhaust flow and ultimately get you better performance since you need a tuner that can allow the vehicle to operate without the DPF in place, But ultimately the government is going to have to show us how “IN CHARGE” …

What’s better Duramax or Cummins?

Cummins vs Powerstroke vs Duramax: Specs While the 6.7L Cummins and the 6.7L Power Stroke share the same displacement, the 6.6L Duramax is a pretty close match. Both the 6.6L Duramax and 6.7L Power Stroke are V8 engines, with the 6.7L Cummins being an inline six-cylinder diesel engine.

Which Duramax engine is the best?

With arguably the best plug-and-play horsepower potential (on top of 360 horsepower being offered right out of the box), the last of the (essentially*) emissions-free engines, and a stronger, six-speed Allison to back them, the LBZ Duramax has a lot going for it.

What mpg does a 6.6 Duramax get?

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.

What year Duramax gets best fuel mileage?

Seems like some wide variances in MPGs from the Duramax/Allison power plant in 4×4 Chevy/GMC crew cabs. As far as I can tell the best years for mileage are 2001-2004 or so.

Is the 6.6 Duramax a good engine?

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. … However, like any engine (or any complex mechanism for that matter), the Duramax engine and Allison 1000 transmission have some common problems inherent to their design.

Why does my Duramax smoke at idle?

A common issue with the GM 6.6L LB7 Duramax engine is white smoke at idle. Worn and damaged injectors are often the cause however there are other causes and considerations that should be looked at prior to injector replacement.

Is it bad to let a Duramax idle?

It is true that diesel engines use barely any fuel while idling, far less than a gasoline engine. … While it isn’t particularly bad for it, there just isn’t much reason to do it; most diesels start perfectly fine when cold, warm up in a reasonable time, and don’t have gelling issues.

What transmission is in the 2020 Duramax?

The all-new Allison 10-speed 10L1000 automatic transmission (RPO MGM, MGU) available on 2020 Silverado HD and Sierra HD models equipped with the 6.6L Duramax diesel engine combines enhanced performance, fuel economy, and operational flexibility with an industry-leading reputation for reliability.

Will EGR delete cause black smoke?

Most common causes of black smoke are faulty injectors, a faulty injector pump, a bad air filter (causing not enough oxygen to be supplied), a bad EGR valve (causing the valves to clog) or even a bad turbocharger. Some of these are easy fixes.

Is it bad to let a diesel truck idle?

In any case, letting your diesel idle for anything more than a short duration is a bad idea because while the engine will use little fuel, what fuel it does burn will not combust completely because the operating temperature is too low. … The best rule is, if you’re not underway, turn off the engines.

Is it worth buying a diesel truck?

A diesel-fueled car can accelerate more rapidly from a complete stop than a gasoline-powered car, and these vehicles have far better towing capabilities. If you are purchasing a truck or SUV that you will frequently use to tow or haul very heavy items, then a diesel-powered engine may be the best choice for you.