AUTONET TV

What Is an EGR Valve? (EGR Valve Service)

If you've ever felt your vehicle hesitate, go, then hesitate again, you might think there's something wrong with the transmission.  After all, it's not moving smoothly  down the road.  But there are plenty of malfunctions that can cause those symptoms, one of them being something you may have never heard of: the EGR valve.

EGR stands for Exhaust Gas Recirculation. It's a system that channels small amounts of exhaust back into the engine to cool down the cylinders and reduce polluting gases.  Those include nitrogen oxides that can cause smog. The EGR valve regulates how much of the vehicle's exhaust gas is recirculated. After years and long distances traveled, that valve can get clogged or fail. Sometimes the EGR valve can stick open.  When the EGR valve isn't working properly, your vehicle can start releasing those nitrogen oxides and pollute the air.

The symptoms of a malfunctioning EGR valve include:

• Engine losing power
• Engine idling roughly
• Pinging and knocking sounds in the engine
• Stalling and hesitation
• Fuel economy decreasing
• Check Engine light illuminated

Depending on its condition, the EGR valve can be cleaned or it may need to be replaced.  Consult with your service advisor to see what options are recommended to you.

The EGR system is part of your vehicle's pollution and emissions control equipment. If you care about keeping our planet's atmosphere clean, you'll want to make sure it's doing its job—for everyone's benefit.

High-Tech Auto and Truck Center
4007 Westfax Drive
Chantilly, VA 20151
7039686648
high-tech-auto.com

A Clean Start (Battery Cleaning)

You may be fanatical about keeping the outside of your vehicle clean.  But what about what's under the hood? Have you ever thought about how dirt and grime may be affecting your engine's components?

One of the most important parts under your hood to keep clean is your vehicle's battery.  With a daily barrage of dirt and moisture, outside parts of your battery can corrode, namely the cables and terminals.

Gases vented by batteries can also promote corrosion.  That can create connection problems and affect your vehicle's electrical system.  If corrosion is not cleaned off, it may damage wires and terminals so badly that they will stop properly conducting electricity.  At that point, they may need replacing.

When you bring your vehicle to us for a battery inspection and cleaning, we will remove any corrosion and put corrosion-resistant protection on each post. A technician will also visually inspect your battery.  Plus, we can test how much life is in your battery as part of a more comprehensive battery service. 

Batteries don't last forever and should be regularly cleaned, inspected, and tested.  Usually, they'll need to be replaced anywhere from three to five years after they were first installed, but their lifespan depends on how, where, and how much you drive.  Your battery is a very important component of your vehicle.  Keep yours in tip-top shape, and it's less likely to let you down when you need it most.

High-Tech Auto and Truck Center
4007 Westfax Drive
Chantilly, VA 20151
7039686648
high-tech-auto.com

No Charge (Why Won’t My Battery Hold a Charge?)

When your vehicle’s battery is dead, it leaves you with that horrible, helpless feeling.  A dead battery means it won’t hold a charge, and there are several reasons it won’t.

One is age.  Batteries have chemical and electrical systems in them that create power, and as time goes by, they won’t work well anymore.  They may have been degraded by exposure to extreme temperatures, both hot and cold. Batteries have a code on them that can tell you when they were manufactured.

Another reason your battery won’t hold a charge is corrosion on the terminals, the metal posts where your battery cables are connected.  A chemical reaction between the battery’s acid and air creates a salty moisture that can corrode those terminals.  

If your vehicle’s alternator is not working properly, it won’t charge your battery as it is designed to, and the battery may lose its charge more quickly than it should. Another possibility is there might be an electrical component that’s staying on when you turn your vehicle off, and it may slowly drain the battery so much that there won’t be enough power to start your vehicle.  

When you notice any of these things, bring your vehicle in so a technician can evaluate what’s causing the problems.  We will give your electrical system a thorough inspection and run tests that can tell the health of the battery and other components.  You may be able to avoid problems by having us evaluate your electrical system regularly as part of a periodic maintenance schedule.

High-Tech Auto and Truck Center
4007 Westfax Drive
Chantilly, VA 20151
7039686648
high-tech-auto.com

Why People in Chantilly Hesitate to Get Their Vehicle Serviced

A recent report stated that over 80 percent of the vehicles on our Chantilly, VA, roads have one or more service or repair that's needed but hasn't been taken care of. Now that's a lot of undone service. That translates into something over 160 million vehicles in North America alone. Some of the neglected items are minor. Others are serious safety concerns.

There are several reasons we hesitate to take care of recommended services, especially services that our Chantilly automotive advisor recommends when we're in for something else, like an oil change.

The first issue boils down to comfort with car care. We don't always feel we know enough to make good decisions. Some of that can be attributed to the fact that vehicles are so reliable these days. They almost become an appliance. Of course you love your vehicle, but if you don't have to worry about it breaking down all the time, you're not forced to think as much about preventive maintenance.

Perhaps your dad knew a lot about cars and always made sure they were taken care of. He was very comfortable dealing with his local Chantilly service center. People who don't know as much about cars hesitate to ask questions because they don't want to look ignorant.

It's human nature. But there's so much to know in this world, and we can't all be experts in everything. So we specialize. It's very important to ask questions of any specialist, whether it's your doctor, financial advisor or your automotive technician in Chantilly, VA.

Your service advisor at High-Tech Auto and Truck Center wants to answer your questions. We want you to understand the recommendation and why it needs to be done.

That brings us to the next issue; people say that they don't always know if they really need the service or if they are just being sold something.

At the heart, it speaks to trust. Do you trust your Chantilly service center and your service advisor? Trust has to be earned, and that takes time and experience. But you can shortcut the process when you realize that most of the recommendations are based on manufacturer's maintenance schedules.

In other words, "You don't have to trust me, you can trust your owner's manual."

Your Chantilly service center has computer databases that contain the manufacturer's recommendations for almost all vehicles, so they don't need to rummage through your glove box to look for your owner's manual to know what to do.

Basically, the engineers who designed the car say, "Here's when you need to have it serviced." That's who makes the recommendation, not the technician. He's just reminding you.

Now you do need to trust your Chantilly technician's experience and judgment from time to time. When he inspects your vehicle, he may find problems or concerns. He will explain things so that you can prioritize the concerns and make a good decision about whether or not to have something done.

That brings us to the third issue; money. Often the concern is about spending the money to take care of a recommended service. Our money has many places it needs to go. And we have another list of places we want it to go. Auto maintenance isn't usually on either of those lists.

Look, everyone who works at High-Tech Auto and Truck Center has a family budget, too. They can relate. Maybe a little look behind the scenes would be helpful.

Service centers like High-Tech Auto and Truck Center invest heavily in training, diagnostic equipment and tools so that they can make repairs and perform services as efficiently as possible. And like any other business, they have labor costs, insurance, rent, utilities, shop and office supplies, taxes and so on.

We work hard to make sure that we diagnose the problem correctly and fix it right the first time. That's the only way we can maintain our reputation and remain in business. If we're not satisfying our customers and providing a good value, you won't come back and the service center won't be around for long.

When there is a real budget concern, your High-Tech Auto and Truck Center service advisor can help you prioritize the work that needs to be done and come up with a plan for taking care of it that works within your budget.

Let's say you have a serious problem with your brakes. That's a safety concern, so a technician can't ethically say, well, let's put that off for a couple of months. What they can do is take care of the brakes now and address the cabin air filter or transmission service next month.

Ask us for more details.

High-Tech Auto and Truck Center
4007 Westfax Drive
Chantilly, VA 20151
7039686648
high-tech-auto.com

Fuel Injection: It Keeps Getting Better for Chantilly Drivers

Chantilly residents know that engines need to burn fuel to operate. Fuel is pumped from your fuel tank to your vehicle engine where it is squirted—or injected—into your engine's cylinders. This is the function of the fuel injectors.

There are two ways to inject fuel into an engine. Fuel needs air to burn, so in the first method, fuel is injected into a port and allowed to mix with air—before it is drawn into the cylinders. In the second method, fuel is injected directly into the cylinders and mixes with air after it enters the vehicle engine.

Direct injection engines burn fuel more efficiently than conventional vehicle engines. Some models can deliver the power of a V8 with the economy of a V6.

For example, in one family of engines, the conventional version (a V6) delivers about 250 horsepower. The direct injection version delivers over 300 horsepower and gets about the same gas mileage. The turbocharged version delivers 350 horsepower.

Why the big difference in power? Direct injection systems allow fuel to be squirted into the vehicle engine at hundreds of times the pressure of a conventional engine. This atomizes the fuel better (breaks it down into tinier droplets), which means more of it gets burned, which translates to more power for your engine. It also results in cleaner emissions.

Fuel injectors are precision instruments. They have to deliver the right amount of fuel at exactly the time the vehicle engine needs it. They are also engineered to inject fuel with a specific spray pattern. This spray pattern allows for maximum fuel efficiency and proper atomization. Direct injection engines require a much higher degree of precision than conventional engines. For this reason, they are equipped with more sophisticated computers.

When fuel injectors get dirty, their precision drops off. The spray pattern won't be precise, and the timing of fuel delivery may be off. This decreases fuel efficiency and fuel economy as well as delivering less power to the engine.

Chantilly residents should understand that fuel injectors are not cheap to replace. Direct injection fuel injectors are even more . And we're talking a mortgage payment to buy a set of new fuel injectors for a diesel engine.

So keeping your fuel injectors clean is just good auto advice. The best way to do this is to change your air and fuel filters regularly and practice other habits of good vehicle care and preventive maintenance. Cleaning additives in your fuel can also help.

If you do end up with gum or varnish in your fuel system, you'll need a professional fuel system cleaning. This will clean out your whole system, including the injectors. The good news is that with proper maintenance, Chantilly drivers will enjoy better fuel economy and their fuel injectors will last for a long time.

Contact us for more tips to help you improve your performance and safety.

High-Tech Auto and Truck Center
4007 Westfax Drive
Chantilly, VA 20151
7039686648
high-tech-auto.com