If you drive a diesel-powered car or truck from 2009 or newer, you most likely have a Diesel Particulate Filter (DPF) installed as part of the exhaust system. The DPF is designed to improve air quality by filtering out harmful particles normally found in diesel exhaust. The particles then accumulate on the DPF until it is cleaned. If you let your DPF get too dirty, it can cause permanent damage. So what do you need to do to keep it clean?
You want to drive your preferred vehicle, but sometimes that price of gas can preclude you from doing this. Here are a few tips you can consider to help improve your gas mileage and reduce your expenses. Slow down
It has been proven that driving faster requires more horsepower, and thus and increased need for fuel. Driving slower can, in fact, improve how many miles you get per gallon. Try sticking to the speed limit and you will notice a difference in economy. Consider a lighter vehicle
The Truth: Idling a diesel engine for a long time can actually harm the engine more than if it were driving down the highway. That's because at low speeds, such as idling, your engine experiences twice the wear and tear. Most owners' manuals recommend no more than 3 minutes of idling before you drive. Even in colder temperatures, when the diesel fuel tends to gel, you can add winter blends to the fuel to make it flow better.
Electric Fans Many have determined that running electric fans while driving your diesel in the city and on the freeway can contribute up to an additional two miles per gallon. Definitely enough to give it a try.
Assuming your car or truck is otherwise problem-free, cleaning your DPF is as simple as maintaining driving patterns conductive to regeneration being performed. As long as you drive at freeway speeds on a regular basis, you shouldn't have any trouble. Problems come into play if you do a lot of city driving or allow your vehicle to idle for extremely long periods of time.
The reason why these two circumstances are problematic for DPFs is because the engine isn't working hard enough to generate the power necessary for regeneration to occur. Most vehicles with DPF systems installed will signal a warning if the DPF is 80% blocked.
One thing that people don't often pay enough attention to when trying to improve fuel economy is the aerodynamics of your vehicle. Some modifications to your diesel truck can help in this regard, whether it is a grille block or other things.
Gearing
The Truth: There's a stigma that diesel trucks constantly puff out big clouds of black smoke. However, due to recent EPA emissions requirements, diesel engines are held to the same standards as gasoline engines. Now diesel trucks are fitted with a Diesel Particulate Filter (DPF), which removes over 95% of the particles in the exhaust. The result of adding DPFs to diesel engines: no more black smoke bellowing out of trucks. Any short drive on the freeway confirms this fact-you'll be hard pressed to any see smoke coming out of a big rig's exhaust pipe.
Using your EGT gauge can be helpful. They are a good indicator of the amount of fuel your diesel engine is consuming. Tire Pressure. It is recommended to run your tires at 80psi to help you improve your fuel economy. This may affect the ride of your truck, but the trade off of savings can be really nice. Acceleration
So don't ignore warnings. If your DPF gets close to being full, push the engine so it gets enough power for regeneration. If it gets completely full, take it to a shop. Taking care of your DPF will protect the environment and keep your vehicle running at peak performance.
You want to drive your preferred vehicle, but sometimes that price of gas can preclude you from doing this. Here are a few tips you can consider to help improve your gas mileage and reduce your expenses. Slow down
It has been proven that driving faster requires more horsepower, and thus and increased need for fuel. Driving slower can, in fact, improve how many miles you get per gallon. Try sticking to the speed limit and you will notice a difference in economy. Consider a lighter vehicle
The Truth: Idling a diesel engine for a long time can actually harm the engine more than if it were driving down the highway. That's because at low speeds, such as idling, your engine experiences twice the wear and tear. Most owners' manuals recommend no more than 3 minutes of idling before you drive. Even in colder temperatures, when the diesel fuel tends to gel, you can add winter blends to the fuel to make it flow better.
Electric Fans Many have determined that running electric fans while driving your diesel in the city and on the freeway can contribute up to an additional two miles per gallon. Definitely enough to give it a try.
Assuming your car or truck is otherwise problem-free, cleaning your DPF is as simple as maintaining driving patterns conductive to regeneration being performed. As long as you drive at freeway speeds on a regular basis, you shouldn't have any trouble. Problems come into play if you do a lot of city driving or allow your vehicle to idle for extremely long periods of time.
The reason why these two circumstances are problematic for DPFs is because the engine isn't working hard enough to generate the power necessary for regeneration to occur. Most vehicles with DPF systems installed will signal a warning if the DPF is 80% blocked.
One thing that people don't often pay enough attention to when trying to improve fuel economy is the aerodynamics of your vehicle. Some modifications to your diesel truck can help in this regard, whether it is a grille block or other things.
Gearing
The Truth: There's a stigma that diesel trucks constantly puff out big clouds of black smoke. However, due to recent EPA emissions requirements, diesel engines are held to the same standards as gasoline engines. Now diesel trucks are fitted with a Diesel Particulate Filter (DPF), which removes over 95% of the particles in the exhaust. The result of adding DPFs to diesel engines: no more black smoke bellowing out of trucks. Any short drive on the freeway confirms this fact-you'll be hard pressed to any see smoke coming out of a big rig's exhaust pipe.
Using your EGT gauge can be helpful. They are a good indicator of the amount of fuel your diesel engine is consuming. Tire Pressure. It is recommended to run your tires at 80psi to help you improve your fuel economy. This may affect the ride of your truck, but the trade off of savings can be really nice. Acceleration
So don't ignore warnings. If your DPF gets close to being full, push the engine so it gets enough power for regeneration. If it gets completely full, take it to a shop. Taking care of your DPF will protect the environment and keep your vehicle running at peak performance.
About the Author:
When the California Air Resource Board's diesel emissions regulations first came out, Michael Schwartz, now President of FleetServ, started getting calls from panicked Fleet Managers looking for straight-forward information and compliance service. While FleetServ (formerly known as ACT Compliance) was originally formed to meet this need, over time it has evolved into much more.
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