Question about 1997 Chrysler Concorde
This is the second winter of seeing this now. The car was fine all summer. On really cold days, when I get in and drive somewhere the car stalls when I stop. Now I can combat this by keeping my foot on the gas while holding the break....but obviously something is wrong. i thought last winter since it was the first time I had experienced it that perhaps there was water in my tank. Serveral dry-gas bottles later, it did nothing. When summer came and it got warmer out, all problems dissappeared. It is an old car and has many miles and I am hesitant to take it to a shop as it is not worth putting a lot of money into, but I'd like to know what could be causing this.
Hi if the car is idling ok when warmed up then it sounds like the choke isnt working (you will notice this more in the cold winter months)
Hope this gives you some help
Posted on Dec 04, 2008
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Reason 1 - Gasoline, like any other liquid, evaporates less when it is cold.You have seen this -- if you pour water onto a hot sidewalk it will evaporate a lot faster than it will from a cooler place like a shady sidewalk. When it gets really cold, gasoline evaporates slowly so it is harder to burn it (the gasoline must be vaporized to burn). Sometimes you will see people spray ether into their engines in cold weather to help them start -- ether evaporates better than gasoline in cold weather.
Reason 2 - Oil gets a lot thicker in cold weather. You probably know that cold pancake syrup or honey from the refrigator is a lot thicker than hot syrup or honey. Oil does the same thing. So when you try to start a cold engine, the engine has to push around the cold, gooey oil and that makes it harder for the engine to spin. In really cold places people must use synthetic motor oils because these oils stay liquid in cold temperatures.
Re ason 3 - Batteries have problems in cold weather, too. A battery is a can full of chemicals that produce electrons The chemical reactions inside of batteries take place more slowly when the battery is cold, so the battery produces fewer electrons. The starter motor therefore has less energy to work with when it tries to start the engine, and this causes the engine to crank slowly.
All three of these problems can make it impossible to start an engine in really cold weather. People either keep their cars in heated garages or use "block heaters" to get around these problems. A block heater is a little electric heater that you plug into the wall to keep the engine warm.
i hope it was convince answers
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