How long should I wait after starting engine?

End of dialog window. Audi recommend not to let your car idle for too long, it's safe to start driving right away with RPM below 2500. I normally turn the car on, wait for every indicators to be checked and turn off then start the car. RPM will be higher than normal but after 3-4 minutes, it should be back down.
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How long should you run your car after starting it?

If your car does start, let it run for a few minutes to help charge the battery further. Unhook the clamps in the reverse order of how you put them on. Be sure to drive your car for about 30 minutes before stopping again so the battery can continue to charge. Otherwise, you might need another jump start.
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Is it bad to drive after start?

Myth: To improve performance, particularly in cold weather, allow the engine to run for a few minutes before driving. Fact: Start the engine and allow it to idle only for the time it takes you to fasten your seat belt. This ensures that lubricating oil gets to all of the engine's vital parts.
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How long should I wait before trying to start my car again?

As a rule of thumb, it's good to wait about two minutes with the car running, letting the power flow through. Then, after two minutes, try and start your vehicle to see if it starts working.
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Should you wait for engine to warm up?

When temperatures drop during winter it's a good idea to let the car run for about a minute. Some drivers prefer to let the engine idle for 20 minutes or longer to get everything—including the cabin—really warm, but the fastest way to warm up an engine is by driving.
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Here are Some Tricks to Diagnose a Car That Cranks Too Long Before it Starts



How long should you idle your car before driving?

Experts recommend letting your car idle for no longer than 30 seconds before driving. Idling wastes gas. Idling contributes to pollution and could lead to engine wear.
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How long does it take for an engine to warm up?

It takes five to 15 minutes for your engine to warm up while driving, so take it nice and easy for the first part of your drive. Performance cars often enforce this for you with a graduated rev limiter that doesn't allow you to use the car's full RPM range until the engine is up to temperature.
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How long should I wait before driving?

When it's safe to drive again. It takes most people 1 to 2 hours to process one standard drink. That means after 3 standard drinks you should wait at least 3 hours before driving. After you stop drinking, the alcohol levels in your system can continue to rise for up to 3 hours.
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Do cars need to warm up?

If you're in a hurry and just want an answer to the above question, it's no. You no longer need to warm up your car in winter — for your car's sake — unless it's old enough to have a carburetor (unlikely unless it's at least 30 years old), or it's electric or a plug-in hybrid.
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How long should you hold the key in the ignition?

To heat up the battery, terminals and starter, try the key cycling trick. The trick is to turn the key to the start position repeatedly about 10 times in a row. Stop and wait five minutes. Then try to start the engine.
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Is idling bad for car?

Myth: Idling Your Engine For Just A Few Minutes Won't Harm The Environment. Fact: Whether you're warming up your car's engine in your driveway or are at standstill stuck in rush-hour traffic, idling your engine for just 10 minutes releases one pound of harmful carbon dioxide into the atmosphere.
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Is it bad to idle your car for an hour?

Your exhaust system produces emissions into the air and contributes to air pollution. Sitting in one spot for a long period of time pollutes air. Decreases performance. Over time, idling can cause your head gasket, spark plugs, or cylinder rings to deteriorate and stop working.
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Do you need to warm up your car in the morning?

By letting your car warm up, instead of just driving it cold, allows the engine's components to disperse oil evenly throughout every moving part. Without the proper warmup time, you can risk damaging your engine's pistons, which may warp or experience undue wear as a result of being driven cold.
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Can I drive 6 hours after drinking?

Even though you may have stopped drinking the night before, alcohol can remain in your blood for 6 hours and on your breath for up to 24 hours. You might feel okay to drive, but if the police pulled you over then you could be prosecuted for drink driving.
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Can I drive after 3 beers?

"Even if you feel okay after a drink, the reality is that if you get behind the wheel you're putting yourself and others in needless danger. The only safe amount of alcohol to consume if you're driving is none."
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Can I drive after one drink?

Many people follow the "one drink an hour rule" to avoid going over the blood alcohol content of 0.08%. Essentially, the one drink per hour rule means that as long as someone only consumes 1¼ ounces of hard liquor, one beer, or one glass of wine and no more over the course of an hour, then they are safe to drive.
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Is it bad to drive with a cold engine?

As the engine warms, it needs less fuel to run efficiently. So the longer you let a cold engine idle, the more fuel you waste and the more you increase the chance of fuel residue build up. Fuel residue build up can lead to poor engine performance and a reduction in mileage.
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How long should you idle your car in the morning?

Some experts recommend letting your car idle for up to 30 seconds before getting going, but that's the longest you should wait. Any longer than that, and you're just wasting gas. Excessive idling will reduce your fuel economy.
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How long should you warm up your car when it's cold?

Let the engine run for 30 seconds.

That's all it takes in most vehicles that are 30 years old or newer. If it's extremely cold and your vehicle is covered in snow or ice give it a minute or two longer to warm up.
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What are the benefits of warming up your car?

Warming up your car improves combustion, fuel economy and performance. The engine's cooling system uses a thermostat to maintain its most efficient temperature range, usually around 200 degrees Fahrenheit. This operating temperature is about where the fuel vaporizes best.
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Is idling with AC on bad?

It's not a great practice. But setting my environmental preferences aside, you can let any car idle with the AC on for a long time without doing any harm. As long as the cooling system is working properly, you should be able to sit in any modern car you buy and let it idle indefinitely.
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Is it OK to sleep in car while running?

No, it's not safe to sleep in your car with the engine running. Leaving your car engine turned on while sleeping could lead to dangerous exhaust fumes containing carbon monoxide entering the vehicle.
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Is it OK to run car AC while parked?

Avoid placing a strain on your car's cooling and electrical systems during these end-of-summer months. Pre-cooling your vehicle might seem like a good idea, but it'll waste plenty of fuel and time. It's far better to be driving while you're cooling off the inside of your car.
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How long is too long to idle your car?

How Long Can You Let Your Car Idle? Idling your car for 30 seconds to a minute is acceptable, and it will not cause any harm to your vehicle. With advanced technology, even if you let your car idle for a slight longer duration, it will not damage it.
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