How to Fix Car Ignition Switch Problems
There are many reasons why your car might start and run but the ignition won't start the spark plugs. Some are easy and cheap to fix, others require specialized tools and help from a mechanic.
First, you need to lubricate the socket of the key. You can use graphite powder or a silicon aerosol spray. Also, ensure that the ignition cylinder is free of obstructions and springs that are loose.
Battery
It could be that your battery is dying if your vehicle won't start. This is a common issue which can be fixed with either charging your battery or an electrical jump. If this does not fix the problem, your ignition switch may be bad. This component carries battery power to other electrical components, such as the starter motor and the ignition coil. If the ignition switch is damaged it won't permit current to flow through, and the engine won't begin.
The battery is the main source of the electrical energy you use in your vehicle. The battery is a black box with positive (+) and negative (-) terminals at the top. The terminals can be corroded, preventing the battery from providing power to the rest of the vehicle. You can clean the battery terminals by disconnecting the battery and using a wire brush to remove any corrosion. You can also clean the terminals using a baking soda solution.
It is possible that your vehicle's battery has just reached the end of its lifespan and needs to be replaced. A new battery will provide the right voltage to your vehicle's spark plugs. This is necessary to ensure that your engine is running properly.
The ignition coil is responsible for converting low voltage from the battery to high voltage, which will then ignite the spark plugs of your car to start the engine. If the ignition coil is faulty it will not be able to spark the plugs, and your engine won't start. The ignition coil can be checked by examining the engine for a spark or turning the key to check whether it spins.

You may also need to replace the starter motor. If you hear a grating sound when you turn the key in your ignition, it is a sign that the bearings in the starter are starting to wear out. This could be a costly repair, so it's best to replace the motor of your starter early in the event that you notice signs of wear and wear and tear. The starter motor can be changed by replacing some bolts and other components.
Alternator
The alternator charges your battery and also powers the electrical components of your vehicle while the engine is running. Check the battery first if you suspect that your alternator is malfunctioning. This will enable you to determine if the alternator is draining the battery or if the battery is old and in need of replacement.
While the vehicle is in idle the alternator is able to supply power to the dash lights as well as the radio. It also powers the windshield wipers as well as the power windows, the electric steering, the heated seats and the power windows. A voltmeter can be used to test the voltage of your alternator and battery. If your battery's voltage is lower than 6 volts, it should be replaced or charged immediately. A dead or weak battery can also stop the starter motor from cranking the engine and will require additional jumper cables to get your car started.
Before you begin dismantling the Alternator, shut off the ignition and lock all doors. Unplug the negative cable and store it in a safe place. Wear safety equipment. Consult a vehicle's specific repair manual for guidance on how to gain access to the alternator as well as any other components you require to take off.
If your vehicle is equipped with a warning light wire, you can disconnect it from the side of the generator after removing the belt. This will usually connect directly to an alternator's terminal that's labeled either WL or IND. Some vehicles have a separate relay that can perform this function. If your warning light does not come on, it is likely to be a different issue.
You should check regularly your alternator for indications of malfunction. While you can perform some of the tests by yourself, you should bring your vehicle into Les Schwab for a no-cost inspection and expert advice. Our certified technicians will test your battery, battery posts (the terminals marked + and +) for corrosion and fuses, relays and voltage output as well as cold cranking amps and more to determine what the problem is.
Starter Motor
The starter motor is an essential element of the ignition system. It is responsible for turning the engine so that it can draw in air, which is essential to ignite the fuel. If your car isn't starting, it's usually caused by a problem with the starter motor. There are a few ways to troubleshoot that can help you diagnose the issue and resolve it.
When you turn on your vehicle's ignition key, a switch within the starter engages a pinion-gear that is fitted into grooves on the flywheel. The pinion gear turns the flywheel, which begins the engine. The pinion gear retracts when you release the key to prevent damage.
The starter motor can be affected by a range of factors, including a mechanical problem (such as teeth that don't mesh on the flywheel) or dead cells. A faulty starter motor can sound like a dead cell phone battery. It will make a clunk sound as it tries to turn the engine over.
The condition of the battery and the terminals of the battery will be checked by a mechanic in the event that the starter motor does not work. If the battery has corrosion or is not functioning properly it needs to be charged or replaced.
Depending on the severity of the issue The mechanic can also test the solenoid on the starter using a multimeter. The solenoid, which is a large magnet switch, sends an electric current from the battery cables to the starter. This switch essentially connects the battery cable to the windings inside the starter that actually make the electric motor turn, plus it pushes an actuator rod that turns on an engaging fork, which will then push the pinion gear to automatically engage with the flywheel.
A jumper wire can be used to disable the ignition. This is only an interim solution and you shouldn't try it unless certain of the procedure. You will need to carefully connect your jumper wires to the battery terminals and make sure that the switch is in the "Start position".
Ignition Switch
The ignition switch is where you insert your key into the car. This will allow electrical flow to your starter and then start the engine, however it isn't immune to wear and tear as other parts of your car. The switch could also become stuck inside its slot or get locked. You should check for problems regularly to identify the problem before the car won't start.
It could be locked if your key is difficult to turn or gets stuck in the ignition. This is a common problem for many vehicles and happens due to a lack lubrication. Using a graphite or silicone-based lubricant on the release pin could help. Spray some lubricant on the ignition, then move the key. If car ignition locked stuck, employ a piler or hacksaw blade to help move it.
An ignition issue could cause a host of other issues, too. The anti-theft system may not function, or the starter motor might not start when you plug in the key. This could also cause the secondary functions to stop working or lose power.
A damaged ignition may cause additional wear and tear to other components. If you own keys that have multiple items or a heavy one, it can stress the ignition switch, which can cause wear on the internal components. Extreme temperature fluctuations can impact the materials and lubricants in the ignition switch.
If you've purchased a replacement ignition switch, it's crucial to test it prior reassembling the steering column and the other components. Check that the replacement works and that the engine is running without issue. It is also important to confirm that the new ignition switch is compatible with your vehicle's make and model. If you're not confident in your ability to install the new ignition switch it could be worth employing a dealership service shop to complete the task for you. They can also test and connect any other parts or replace them.