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Install a block heater and keep it plugged in at night. (most helpful)

Make sure the vehicle is tuned up and that the engine compression is up to specifications.

Have the electrical system checked to verify that the battery is fully charged.

Periodically (every few fill-ups) add a can of fuel line de-icer.

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Q: How do you help car start in sub zero cold?
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When i start up the car the rpms try to fall to zero but i have to keep on revving the car until its warmed up enough to idle at one. what is this problem?

Problem with the choke or cold start injector system.


What is Warm start and cold-start?

warm start is when your car has already been started an is hot, a cold start is wheen you have just started the car for the first time of the day, or month....


Why is it hard for a car to start when the engine is cold?

It is not so much hard for a car to start when the engine is cold as it is easier for a car to start when the engine is warm.Cars that are hard to start in the cold are usually not new cars any more and because of wear and tear there is more likely to be something that doesnt work as well. when fuel is warm it ignites more easily.


What is an engine cold start?

It's when you start the engine when it is either really cold out, or the car has been sitting in a temperature region for a while where it has not been run and exposed to cold conditions. This is where more than 50% of engine wear comes from, the cold start because the oil has thickened and therefore does not pump through to the most crucial parts of the engine as fast. best advice is to use the manufacturer recommend oil viscosity (ex: 5w30 or 5w20) thicker oil does not help. And the use of synthetic and synthetic blend oils does help to reduce engine wear at a cold start.


How cold does it have to be before your car wont start?

around 30 or 40


Why are locks acting up and car won't start?

too cold!


Car won't start in cold weather?

If a car won't start in cold weather it is possible that the valve guides have been worn. This often happens in cars that have been using ethanol as a primary fuel.


Can the cold make your car not start?

Yes if ur car has many or some sort of engine problems


Why does the car shake and once turned off when its cold like in the morning or after work but not when it has been running?

The car shakes because your engin has been cold and you sudenly start the car it will shake


Why wont my car start in the cold but it will in the heat?

try checking your battery usually it is the lack of cold cranking amps


Why is car temperature gauge reading cold whilst you are driving?

at the beginning it will be cold, but it will warm up as you start driving


Does it matter how many cold cranking amps a car battery has?

Yes, that is how you know that the battery is "strong" enough to start your car in cold weather. A battery in warm weather may have enough amps to start the car fine, but in cold weather, it wouldn't be able to crank it fast enough. A car battery efficiency drops off the colder it gets.