why won't my car start but battery is good

Tuesday, May 10, 2022 Edit

You havent driven your car for a long time. Reasons Why Your Car Wont Start But Battery Is Good 1.

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A jump start might get you going again but you may need to replace the battery or have a mechanic check it for problems and corrosion.

. If the problem of car wont start but battery is good only occurs in certain conditions this could be due to excess dampness inside of the vehicle. When a technician receives a repair request for a vehicle that wont start usually the first task is to test the batterys state of charge. You can check if its faulty or not on your own after locating where they are.

Heres how you can spot a bad spark plug. A bad spark plug will prevent fuel ignition and the vehicle wont move. If jump starting gets your engine started and running but the car will not start again once you turn it off the battery is probably the problem.

There are many other possible problems that could lead to the fact that after youve replaced the battery the car wont start. Because the car battery plays an important role in how the engine operates it is okay to assume it is an issue with the battery. Also check your ground is good and connected to a clean part of the body or block.

If turning the key to Start doesnt produce any noise then the ignition switch or neutral safety switch could be the culprit. There could be many other reasons such as a bad alternator or the fuse being damaged. There are a few possible explanations as to why your battery charger says the battery is fully charged but your car still wont start.

Tighten battery terminals and check to make sure headlights workseem stronginterior lights work. If you dont have a battery tester you can still see if the battery is good by jump-starting the car. The vast majority of the time when a vehicle refuses to start up the cause is a battery with little or no juice.

Fuel System Problem If the lights and accessories work and the starter cranks then it isnt your battery. This prevents the battery from supplying the power needed to crank the engine. The starter will need about 100 to 200 amps to turn it properly but a radio or lights only need less than 20 amps.

Up to 8 cash back Automotive Mechanic 16 years of experience The battery may be bad to the point it cannot operate the starter but had enough power to run the radio or lights. The fuel pump in the gas tank isnt working The fuel filter or gas line is clogged. A fault with one of the battery components.

Other potential culprits might include a defective fuel injector faulty spark plugs. If it doesnt and you need to jumpstart it again drive it to the nearest automotive store and buy a new battery. Drive or run your car for about an hour or so turn it off and then restart it.

If it starts the battery is good. Steps to Diagnosing a car that you turn key and nothing happens from Chrisfix Video. Check battery charge and battery connections for corrosion.

Infrequent use or overcharging causes abnormal voltage levels which can make it much harder for a car battery to function properly. A battery with a low voltage will not have enough power to start the car. Remove the terminals to the battery.

One or more of several key systems might not run properly or there could be a serious malfunction with the electrical system. However sometimes it isnt that easy. Fuses And Fusible Links Faulty fuses and fusible links can be an important reason why your car is refusing to start.

Normal battery voltage should be around 126 volts. If you have posts you may need to replace the clamp if the current one is too stretched. Clean the battery and terminals with a wire brush or a battery post cleaning tool.

Make sure instrument panel lights up and all lights come on normally check engine airbag etc. Bring your car to a local auto body shop and ask the mechanic to check the distributor cap inside for. The damaged fuse may result in power flow from started relay and the debarring the car to start.

You may also have a starter issue if the battery checks okay. Your starter and ignition coil in combination draw a heavy amount of current which may not be receiving its sufficient amount of energy. If you have a good battery and enough fuel in the gas tank and your car still wont start chances are you have a bad spark plug.

However sometimes its not a failure from the battery. Many times the common reason a vehicle wont start is battery problems. Notable reduction in fuel economy Acceleration issues Engine misfires Rough idling.

If the car makes a rapid clicking sound when you turn the key but wont start it could be the battery. Also check if the plastic wire is connected properly. If the battery terminals are clean and properly connected and a battery tester shows that its in good shape youll need to keep troubleshooting to find the problem.

If a car doesnt start but the battery is good there may be a problem with its electrical system. This could be due to a number of reasons such as a bad alternator. The reasons could be.

In this case the alternator is doing its job of keeping the battery going once it has been jumped but the battery cant hold a charge when the alternator is shut off. The problem could be an issue with the starter wiring alternator or sensors. One possibility is that the battery is not getting enough voltage.

Up to 8 cash back A battery is capable of holding a charge and not pushing out the amperage needed for start up. The faulty ignition and fuse switches are major reasons for the car not starting after a new battery is installed. Check if there is some metal wire damage.

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