Car Starting Problems

Why would a car start only when its cold?

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2015-07-17 17:37:45
2015-07-17 17:37:45

If the car cranks but will not start except in a cold only start situation (consistent), the condition could be caused by a failure in the fuel injection system, most FI equipped cars have a separate cold start circuit allowing the engine to start using the fuel supplied during this circuits operation which can last between 1.5 through 5 minuets depending upon make model and temperature both engine and ambient. This type of failure could be caused by the ECM (electronic control module) or a bad temp sensor, it could not be caused by a clogged fuel filter because this type of system generally shares the same supply system (i.e.: fuel pump, filters and lines.)

If the car cranks and starts cold and then after driving and stopping the engine will not crank (intermittent or constant) you may have a heat soak condition which will require the replacement of the starter / solenoid assembly. This is generally cause by armature windings and the magnets that surround the binding due to bearing ware and heat and is not caused by the solenoid.

Solenoid replacement tip - Most cars after 1970 except for the erroneous ford or Chrysler product do not have a separate solenoid - though in most cases the separate service of a solenoid is possible by the time you remove a starter that has the same or more run time as the solenoid why would you?

Generally a battery failure becomes more evident during a cold start so the likelihood of the condition being caused by a battery is slim.

More Information:

Check the solenoid and the starter. The battery charges itself through the alternator while you're driving. If the battery were the culprit you wouldn't be able to start the car no matter how long you waited until you had it jump started. If the radio, headlights, windshield wipers etc work but the engine doesn't even try to turn over (silence when you turn the key) it's probably the starter or solenoid. the solenoid uses low current from the ignition switch (keys) to complete a higher amperage circuit for the starter. If it isn't the starter or solenoid check for loose or burned wires from the battery to the starter, and check all fuses and fuesable links in the starting system. A good wiring diagram can be found in the proper chiltens repair manual for your vehicle.

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A car that is working properly should start the same regardless of cold.

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The cold weather makes it harder for the battery to provide amperage to start the car.

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Have your battery tested. It could have a bad cell in it or not enough cold cranking amps. This is a simple fix. Batteries usually start about $40+. That is what I would do.

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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....

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batteries are rated by their number of cold cranking amps or CCAs the battery you have in your car is either bad or does not have enough CCAs to start a cold engine

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Because your batery does not have much energy to make the car roar to life.

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It would start and run but only idle. It would not be drivable.

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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.

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Your car climate control is only hot or cold because these are the two most common options. When it is cold out, the heater is ran and when it is hot out, the air conditioner helps make the car cooler.

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Only if it was broke in half and that is very doubtful.

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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.

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

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

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

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

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Only if the car was as cold as a refrigerator. Otherwise, the food would not be safe to eat.

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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.

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Need more information like year, make, model and engine of car.

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Your safety switch is probably out of adjustment. The safety switch makes certain the car will only start in park or nuetral to keep it from starting and ramming into something. On a manual transmission it would be no big deal because the clutch would be in but on an automatic trans whooops....


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