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Six Tips for Diesel Engine Beginners

by: JasonLancaster
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Word Count: 802

Diesel engine fans will rapture on about the impressive combination of power and fuel efficiency that modern diesel engines carry. Environmentally friendly and fairly low maintenance, diesel engines have been popular for years in Europe, and that popularity is finally beginning to grow in the United States as well. With all their benefits, diesel engines may very well become more popular than gas engines! Here are some tips to consider if you, like most U.S. drivers, are fairly inexperienced with diesel engines.

1) Nearly all new diesel engines come equipped with a turbo-charger. Think of a turbo-charger as a jet engine - it forces outside air into the engine and increases efficiency and performance. Turbo-chargers are very powerful, so great care must be taken to make sure the air entering the turbo-charger is clean and clear of debris. Therefore, it's important that the air filter on your diesel is clean and changed often. Most manufacturers equip their vehicles with electronic sensors that will tell you to check or replace your air filter, and when this sensor tells you to change the air filter, do so immediately. If you ignore this warning, you could damage your engine.

2) Diesel fuel isn't as clean and pure as gasoline, so the fuel filter in a diesel engine is very important. Again, your car has sensors that will warn you if the fuel filter becomes clogged, and you should react to these warnings quickly. If you fail to change a clogged diesel fuel filter, it could leave you stranded on the side of the road. Also, keep in mind that diesel fuel filters need to be changed a little more often than gas fuel filters, so don't be surprised if you have to replace your diesel's fuel filter ahead of schedule. That's perfectly normal.

3) You may be surprised to learn that diesel fuel contains water! A little bit of water won't damage your engine, but the vast majority of modern diesels are fitted with water/fuel separators regardless. Some vehicles may require you to manually remove the water from the diesel's fuel system. Your owner's manual will tell you how to do this, and how often to do it. If DIY is not your thing, many service facilities are willing to do this for you at little to no charge, and will dispose of the water/fuel solution in an environmentally friendly manner.

4) Diesel engines generally burn some of the engine's lubricating oil during normal function. This is why they've earned the nickname "oil burners", and why it's important to check your engine's oil level between oil changes. Let the engine cool for at least 30 minutes before checking the oil, and make sure the vehicle is level. Refer to your owner's manual to know when you need to add more oil, based on your dipstick reading.

5) Diesel engines don't like cold temperatures. At low temperatures, diesel engines tend to start harshly and warm-up very slowly. At extremely low temperatures (below -10 F) diesel engines may not function at all. Thus, it's very important to remember to use your diesel's block heater if outside temps ever dip below zero. The block heater is nothing more than an electrical plug on your car that uses your home's electricity to keep your engine warm, and it's as simple as plugging your car in at night. If you can afford the electricity, you can plug-in your block heater any time the outside temperature dips below freezing. This will protect your engine and make for quick and smooth start-ups, and it will help your engine warm-up quickly. Check your owner's manual for your block heater's location.

6) All new engines have a break-in period, and new diesel engines are no different. The break-in for a new diesel is usually from 500 to 1000 miles. Check your manual to find out what the average period is for your vehicle. During this break-in period, manufacturers will recommend that you do not drive at sustained speeds, such as on long trips on the highway, and do not haul or tow anything. Your engine will continue to improve in power and efficiency for 20,000 to 30,000 miles after the initial break-in period is over, since diesel engines reach their peak performance levels after lots of time and use. Most long-time diesel engine owners say their diesel began to truly perform only after a year or two of use.

It is imperative that new or first-time diesel owners read their engine manual thoroughly. Diesel owners need to perform normal vehicle maintenance, as well as monitor air and fuel filter sensors, check engine oil between changes, remove water from fuel system when needed, and plug in the block heater when the temperatures drop below zero. This extra care will result in an engine with power, fuel economy, and 200,000+ miles of service.