It has been extremely cold in our area. One morning my vehicle would not start. I jumped the battery and it started. The car was in an outdoor parking lot for at least 8 hours before I attempted to start it again. It would not start. I jumped it again then drove home. I hooked the battery up to a battery booster and recharged it overnight. It started with no problem for the next three days. Incidentally, the temperature warmed up during the three days. The vehicle started up just fine in the morning and when I left my office for lunch. During the afternoon the temperature plummeted to the low thirties. When I left work at the end of the day, my vehicle would not start. I had someone give me a jump and it started immediately. The battery issue also seems to follow a warning signal for me to check my rear lights. They seem to be okay. Any suggestions?? Thanks!
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Cold can definitely be the culprit. When you say the battery is "good", what are you basing that on ? And most people in the northern climates know that they need a really high cranking amp battery to be able to perform well on cold mornings. If you have a "cheap" battery, or got your car from a southern area, chances are that your battery has low cranking amps, and won't start your car in extreme cold (or extreme heat). See how many "cold cranking amps" or CCA your battery is rated at. It should be displayed on the top of the battery. If its low (300-500) that's probably your problem. If it's high, (800 & up) and your battery is actually reading 12 volts, your problem is likely somewhere else. Also the larger motor you have, the more CCA you need. Example, a small 4 cylinder escort may get by fine with a 500 CCA battery in cold weather, but a big V8 in a large truck may not turn over with a 500 CCA battery in below zero weather. Here is a good article to read. Car Battery Know How Cold Cranking Amps and Reserve Capacity
Oil can cause it or it could be the battery. Normally in cold weather you want a thicker viscosity like a 10w-40 and in the summer you want a thinner viscosity like a 5w-30
You can change the oil so its a little thicker if its that cold in your area. I don't know were you live but if your reaching the cold weather like in the 30s in the morning then changing the oil to a thicker oil could help.
Or a cheaper first try is to test that battery you have its cold cranking amps could be failing on you. So this is what you want to do;
If you got a battery jump starter you could try that in the cold morning and test it that way and see if it starts if it does then its the battery.
This really sounds like a problem with your battery. I know you said you checked it, but is it really putting out the appropriate voltage (12.66 volts) and CCAs? Even draining the battery once can damage it (especially in cold weather), and cold weather reduces the CCAs a battery can put out. A weak battery can cause those codes. When the vehicle hesitates to start, does that typically happen on colder mornings or after the car sat for longer periods of time? I would double-check your battery. If it's the original, it's near its end of life anyway.
Most likely cause is a weak battery or loose/corroded battery connection( This always happens in extreme cold weather). Check your connection at battery for corrosion. If the connections are clean and tight then possibly its the battery. Try jumping vehicle with cables if you are familiar with how to do that. If not do you have roadside assitance through your car insurance?
Hope this helps
I would try to jump it to see if the starter engages and the engine runs, if it does you have a connection problem between the engine starter and the battery, if it does the same thing with cables then you will probably have to tow it in to the shop. I do not think your problem is related to cold weather, but it could very well be related to the check engine light. Exactly what the check engine light is on for I can not say with out a code, but I agree with your thinking about taking it to the shop. Hope this helps, let me know.
you can jump it with a running car, then take it to somewhere like Autozone which will check the charging system and battery to see if there is a problem. Also sometimes you need to remove the battery cables and clean both them and the battery terminals.
Most vehicles have problems starting when it is cold. Short of installing a block heater, your problem lies in your battery. if it is cold in your area for a few months of the year, my suggestion is to invest in a higher rated CCA battery, and a block heater.
Cold Cranking Amps is a rating used in the battery industry to define a battery's ability to start an engine in cold temperatures. The rating is the number of amps a new, fully charged battery can deliver at 0° Farenheit for 30 seconds, while maintaining a voltage of at least 7.2 volts, for a 12 volt battery. The higher the CCA rating, the greater the starting power of the battery.
This morning it was -19F here, and my new car gave me a fit starting, so you are not alone. Replace the battery, and pay a little higher premium for CCAs and you should be fine.