generates electrical power and plays a vital role in your vehicle’s charging system. It will not last forever. If the light goes out, it’s a sign the battery is really weak—almost dead. If you do not have any jumper cables, you might need to borrow some or visit your local mechanic to prevent having a “new battery but car won’t start without a jump” situation. If you have fuel injection, you can’t do this diagnosis on your own and will have to bring your car to a mechanic to see why you have a new battery but car won’t start without a jump. Check out common car parts when seeking car part replacements. Try jump-starting the car. Cause was transmission sensor had gone bad. when your car is idling but become brighter when you rev your engine. So I called my dad to come jump it and it started so I figured it was the alternator not charging the battery while it's driving. If you hear noises, but your car still won’t start, then you need to check the fuel supply to your engine by analyzing the fuel filter, the fuel lines, and the fuel injector to ensure they are all working properly. If it remains illuminated, then this means your car has a new battery but the car won't start without a jump. Why would this be going on? Your car starter is the mechanism in charge of starting and turning over the engine. So I have to jump it to get it to going and then it's okay. If you realize that your car is not starting but you just got a new battery, this can leave you panic-stricken. If you realize that your car has a new battery, but car won’t start without a jump, it is time to see if your car can run properly after being turned on. All Rights Reserved. If this is the case, try to get rid of the dampness by evaporating it inside of the cap by using an aerosol can of a solvent. A car battery should typically last a few years, between 4-5 years. Maybe about a 2 mile drive. What Is a Sway Bar? You may need to clean the negative battery cable, including where it attaches to the car. If you realize that you have a new battery, but your car won’t start without a jump, this could be due to an improper battery installed in your car. If it starts when you turn on the engine, you might need to check the new battery cables. When you jump the car, you are providing another ground, which may be better than the normal one. The inability to crank might also be paired with loud noises due to a worn-out drive belt, causing your car to have a new battery, but car won't start without a jump. October 12, 2017 . Photo (optional) Related … I replaces the battery, and took it to the shop. If the alternator doesn’t charge, then the engine won’t work properly and you might notice that you have a new battery but the car won't start without a jump. If your car’s problem of having a new battery but car won’t start without a jump only occurs in certain weather conditions, this could be due to excess dampness inside the vehicle. The most common sign there is a problem with your charging system is an icon on your dashboard, usually the symbol of a battery. I just got a new battery installed last week, ran completely fine for a week and didn't drive it for a few days. If this is the case, check the new battery terminal cable connections to see if there are any loose wiring connections or damage between a connector and the terminal post. What Is a Sway Bar? The word “CHARGE” might also appear. © 2019 Cash Cars Buyer. You might want to buy a. to keep in the trunk of your vehicle in case anything happens unexpectedly. Most auto parts … A car battery should typically last a few years, between 4-5 years. Wheel Speed Sensor: Everything You Need to Know, What You Need to Know About Oil Filter Changes. 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