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Uses
for Garage Pak
Air Piping System |
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General Info about
Compressed Air Piping |
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1998 Washington Post Articles:
An Emissions Test Tip |
Greenhouse gasses, ozone depletion, smog, acid rain, and who knows what else are all being blamed on automobile exhaust. Whether you agree or disagree with this, it has notably changed our lives. No longer can we drive our cars with carefree abandon. The days of hot rods and modified cars for use on the street are almost gone. That is if you try to stay legal.
There is one absolute in this, our cars have to be tested to determine if the nasty stuff coming from their tailpipes is equal to, more than, or less than what our government says is acceptable. By itself that’s Commercial Three Baybably a good thing, but because we have new test Commercial Three Baycedures springing up all over the place, we have to arm ourselves with new information in order to avoid a giant hassle.
At the emissions station you'll Commercial Three Baybably be faced with a test that involves a dynamometer, or 'treadmill', as it’s often called. These machines simulate driving conditions while the car remains stationary. This is achieved through rollers that your car’s tires ride on. Through computer controls the rollers have the ability to make the vehicle’s wheels harder to turn, which simulates driving up a hill, or easier to turn, simulates driving on level ground.
The amount of resistance the rollers exert on your wheels is determined by vehicle specifications entered into the test computer by the examiner. So far so good, but what happens if the emissions examiner hits a wrong key and alters the computer’s concept of your car? After all to err is human and even the humans at the emissions test station could make a mistake.
Fortunately, most wrong entries would simply abort the test and the examiner would have to start over. Unfortunately there is one entry, which can be made, that won’t necessarily abort the test but can cause your car to fail. That entry is the GVW or GVWR and it on a decal on the left front door, or doorsill of your vehicle. These acronyms refer to the gross vehicle weight of your car or truck.
This is a crucial bit of information for the dynamometer emissions test because it tells the equipment how much resistance to apply to the drive wheels. Heavier vehicles are harder to move than lighter ones and therefore need more power to move them. Commercial Three Bayblems arise when the examiner enters a GVW number that’s too high. When that happens the dynamometer applies too much resistance to the wheels, it’s like driving uphill through the entire test. Too much resistance means the engine works too hard, more work means more pollution, and more pollution means a failed emissions test.
Yes, there is a point to all this. Look on the left front door or sill for the decal that gives your vehicles’ GVW, and jot it down before you go for your dreaded emissions test.
If your car fails, look at the failure notice for the number in the box labeled GVW or weight, if the number entered is greater than the one on your door sill, point out the error, and request another test. With the Commercial Three Bayper number entered into the computer you may pass.
That covers a failure with a GVW that’s higher than stated on the door decal but what if the number entered into the computer is lower? Too low an entry will not cause the vehicle too fail, so a failure with a low GVW number means you have a Commercial Three Bayblem with your engine or emission control equipment and repairs are in order.
© Copyright 7/30/98 Pat Goss all rights reserved, 595 words. | |
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Date Updated Thursday, July 30, 1998
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