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Checks are usually done or controlled by the state. Each state is different. Usually old cars do not have to pass tests. New cars, after 1994 I think, have built in computers that are continuously checking the cars emissions. These computers store the data and can be read by the testing facility.
What else can I help you with?
Why have all new cars been fitted with a catalytic converter?
Government required emission regulations.
What emission system does a 2001 Chevy prism have OPD1 OR OPD2?
its opd2 all cars from 1996+ are opd2
Do senior citizens have to have an emission test on cars?
Whether senior citizens need to have an emission test on their cars depends on the regulations of their specific state or locality, as emission testing requirements vary widely. In many places, all vehicles, regardless of the owner's age, must undergo emissions testing if they meet certain criteria, such as being registered in an area with pollution control measures. Some states may offer exemptions or special considerations for older vehicles, but these policies are not universally applied. It's best for seniors to check with their local Department of Motor Vehicles or equivalent agency for specific requirements.
How can car sharing help to reduce carbon emission?
Easy, though that term is usually referred to as 'carpooling.' It helps reduction because it takes more cars off the road and people share their cars to get to similar places. If we all just went there in our own cars, there'd be a lot of one-occupant cars on the road. The fewer the cars on the road due to carpooling greatly reduces carbon emission.
What cars have to have a thermostat?
All cars need a thermostat for proper operation and longevity.
Do all vehicles have to be emission tested?
No. Vehicles that won't be driven on public roads don't need to be emission tested. And there are some other exceptions, like engine sizes - scooters and mopeds generally aren't emission tested.
Do all cars need power steering fluid?
Only if it has power steering. Most all cars these days do.
Do all FM Alarms work on all cars?
They won't work on all cars, but they'll work on most. Check your car's manufacturer for more information.
What is code P0455 on a Dodge Durango?
Large emission vapor leak. Check the gas cap and all lines from the tank to the engine.
How do you unlock all the cars in need for speed hot pursuit?
you have to do all races
Is there somewhere I can go to find a list of all the different types of cars made in 2005?
There is no one resource to find all the cars made in 2005, the best option is to check out kbb.com for cars of that year.
Are all hybrid cars energy efficient?
Not all cars are in need of being more efficient depending on what standpoint this is considered. Hybrids, relatively speaking are very efficient cars.
