2007 Dodge Caliber

There are a number of ideas here.

https://www.700r4transmissionhq.com/dodge-caliber-jerks-when-accelerating/

Lots more here. My idea is clean the Throttle Body and MAF.

https://www.google.com/search?q=2007+Dodge+Caliber+SXT+jerking+when+accelerating+slowly

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First thing to do is check the battery, have the CCA (Cold Cranking Amps) checked,,, Amperage is what makes your car crank,,NOT voltage... Your local O'reilly's, autozone, etc,, can do this for you.

Bad starter or ignition switch.

Car not starting or turning over indicates towards multiple possibilities. It can be issue with battery or weak battery. But if battery checks out ok, then it can be starter issue or faulty alternator or problem with low fuel pressure or no spark at spark plugs due to dirty spark plugs or faulty ignition coil or injectors getting cracked or dirty and needs to be cleaned.

To confirm the problem, the basic troubleshooting is required.

Click this link below and follow the troubleshooting:------

http://technoanswers.blogspot.in/2012/02/car-starting-issues.html

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This will help.
Thanks.

See the specialist to change the starter motor for you, if the charging system is ok

It should be enough for that size engine. That is 550 AMPs for 30seconds in 0 degrees. Most cars have batteries twice the power than they need. It helps run the accessories like lights and radio. If your car has trouble starting right away, you may want to get the strongest one that you can fit in there. If it runs fine, then I wouldn't worry about it.

Have you found problem with your caliber mirrors not working?I replaced both mirrors/switch and fuses still not working either. turned to see if others have this problem and their fixes.I did reset cars electrical system also like someone suggested and still not working.

Yes,They usually fail that quick

They make heaters for the battery, heater, oil pan, and block. and you might try a thinner oil depending on the temperatures. The heaters themselves run around $100 ( for all) and will last for years. Even a battery blanket will help pretty good. Again depends on your regular temperatures.