Howard Wilner Civic Hybrid It works by combining a natural chemical called chitosan and organic, ring-shaped oxetan compounds with polyurethane. When scratched, the oxetan rings are broken, and ultraviolet light from the sun gets to work on the chitosan, which then attaches to the oxetan and forms a new large molecule that closes the scratch. However, it can only be used once - i.e. closed scratches can not re-heal if scratched again.

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How To Test Your Reverse Lights All By Yourself
If you need to test your reverse lights, and you don't have a helper around, we'll show you how to do it -- SAFELY!
Murphy's Law of Auto Repair and the ASSUME Rule
Murphy's law as it relates to auto repair. Fixing your car and Murphy's law go hand in hand.

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Howard Wilner Audi 50:
Although the problem is the same, different models have different specifics if the main relay is bad. On an Accord, you will lose fuel pressure. If it's bad on a Civic, you will lose power to the injectors and the fuel pump but you may not lose fuel pressure because the injectors can't open without power. When the main relay goes bad and there isn't any voltage at the injectors, it will set a code 16 for an injector because the computer doesn't read voltage on the ground side of the injector.
Before you dive in too fast, it's also possible that the car has more than one thing causing a hard start. You could also have a bad ignition switch, a bad igniter or a bad ignition coil. To test for spark, you should first perform a simple spark test, then you can test the coil itself. Unfortunately to test the igniter itself, you need an automotive oscilloscope, something you won't really need too much in a home shop.
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Howard Wilner Acura RL
Howard Wilner Civic EX



6. Get back to nature
Consider shutting off the air conditioner, opening the windows and enjoying the breeze. It may be a tad warmer, but at lower speeds you'll save fuel. That said, at higher speeds the A/C may be more efficient than the wind resistance from open windows and sunroof. If I'm going someplace where arriving sweaty and smelly could be a problem, I bring an extra shirt and leave early so I'll have time for a quick change.7. Back off the bling
New wheels and tires may look cool, and they can certainly improve handling. But if they are wider than the stock tires, chances are they'll create more rolling resistance and decrease fuel economy. If you upgrade your wheels and tires, keep the old ones. I have fancy sport rims and aggressive tires on my own car, but I keep the stock wheels with a good narrower-tread performance tire in the garage. For long road trips, the stock wheels give a smoother ride and better economy.

Howard Wilner Chevy Silverado
Howard Wilner: CHECK ENGINE. There's nothing fun about those two words. There's also not a lot of logic to be gathered from them. Check engine? Could they be a little more specific? Nope, they can't. That's because the Check Engine light comes to life if anything, and we do mean anything isn't 100% under the hood. This means that you could be staring at a major repair, or your gas cap could be too loose (no kidding).
Unfortunately, the majority of recurrent Check Engine episodes eventually lead to some professional repair time. The most common problems that trigger the light are emission control malfunctions. The emission control system is what your car uses to try to keep our air a little cleaner. To do this, it employs dozens of sensors, valves, flaps, heated wires and probably some fairy dust. Every car made in the last 20 years has at least one oxygen sensor (we saw a Toyota that had four of them recently), and they don't last forever. If they go, expect around $300 per sensor in replacement costs.

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If you're a car enthusiast, this is the place you want to be. Here you'll find photos of upcoming cars, an index of our latest test drives, and news and photos from the latest domestic auto shows.2. Check your tire pressure
Under-inflated tires are one of the most commonly ignored causes of crummy MPG. Tires lose air due to time (about 1 psi per month) and temperature (1 psi for every 10 degree drop); under-inflated tires have more rolling resistance, which means you need to burn more gas to keep your car moving. Buy a reliable tire gauge and check your tires at least once a month. Be sure to check them when they are cold, since driving the car warms up the tires along with the air inside them, which increases pressure and gives a falsely high reading. Use the inflation pressures shown in the owner's manual or on the data plate in the driver's door jamb.3. Check your air filter
A dirty air filter restricts the flow of air into the engine, which harms performance and economy. Air filters are easy to check and change; remove the filter and hold it up to the sun. If you can't see light coming through it, you need a new one. Consider a K&N or similar "permanent" filter which is cleaned rather than changed; they are much less restrictive than throw-away paper filters, plus they're better for the environment.


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Dr. Hassan Moinzadeh Dr. John Boras Dr. Dong Moon Dr. William Haire Dr. Guan Wu Dr. Orrin Lippoff Dr. Charles Blair Dr. S Ciliberto Dr. Mark Izard Dr. Satish Batchu