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Are You Responsible For A Fix Car Ignition Budget? 10 Very Bad Ways To Invest Your Money
How to Fix Car Ignition Problems

The car won't start until the ignition switch sends the electrical signal to the starter motor. Over time, normal wear and tear may cause the switch to malfunction.

Utilizing specialized tools, you are able to remove the steering column trim and access the ignition cylinder module. Refer to your repair manual for learn how to do it correctly.

1. Check the Switch

A defective switch is one of the most common ignition issues. It controls the time when relays are activated and deactivated, acting as bridge. It is less likely to fail because it does not channel full power from devices like the starter. The switch could still be damaged or corroded.

One sign of a damaged switch is difficulty turning the key. This could be due to a variety of things such as not inserting the key correctly or the mechanism wearing out over time. It's also common for people to mix up their keys to their car with those of another's, which could result in mechanical damage.

If the switch isn't functioning there are some things you can try before calling a locksmith. First, make sure the battery is fully charged and that there are no other electrical issues that could be affecting the system. Also, you should check the voltage of every component to ensure they are sufficient power. Once you've completed these steps, it's now time to begin troubleshooting.

The ignition switch is simple to replace. It's connected to the ignition cylinder, a round module that holds everything together. To replace it, you'll require a flathead screwdriver, and something long enough to push the pin inside. It could be anything from paintbrush handles to Kabob skewer. However, you should stay clear of anything brittle that could break within the hole.

Remove any trimming pieces that overhang the switch once you're ready to get started. After taking off the trim pieces, remove any screws holding the switch in position. Then, gently pull it out. Depending on the model, you might also have to unplug any wires that connect to it. You can learn how to do it in the instruction manual for your vehicle.

It is recommended to have the ignition switch replaced by professionals in the event that it isn't working. It's not easy to replace the ignition switch without removing your steering column. This could lead to an unintentional airbag being deployed if you do it incorrectly. Therefore, it is recommended to let your locksmith take care of this for you.

2. Verify the Wire

If you can't turn the ignition key or your car won't start, the problem could be related to any of the parts of your car's ignition system. It's crucial to understand how the ignition system functions so that you can pinpoint issues and make the appropriate repairs.


The ignition switch is an electric switch with multiple poles that is operated by the key. It has four positions: off, accessory, run and "lock." When car ignition switch replacement is in the lock position (which typically has the red indicator) the ignition circuit is in operation and it's impossible to start the engine.

To determine whether the ignition switch is bad or if the ignition coil is faulty, you'll need to do a quick electrical test with an voltage meter. The voltmeter should read around 12.6 volts when the ignition switch is in the run position. If the voltage is lower than that, there is an open circuit within the system. This could be a solenoid, battery or the ignition coil.

Connect the electrical connector to ensure that it does not interfere with the test. Then, set the voltmeter to the continuity or resistance mode and place one lead on one of the ignition switch terminals. The other lead should be connected to the positive terminal of the battery. If the voltage meter reads "open" or doesn't register any voltage it's time to replace the switch.

Use a brand new ignition key and high-quality ignition cylinder when you replace the switch to ensure your vehicle is running and starts correctly. Also, when you replace the ignition switch, be cautious not to touch the cylinder's pins on the ignition with your tools, or they'll get stuck and your engine will not start. In some vehicles, you'll have to remove the steering column and gear selector to access the ignition cylinder. This can be difficult and should not be done unless you have an owner's guideline that says it's safe to do so. Otherwise serious damage to the steering column and shifting mechanism is possible.

3. Check the Cylinder

If you have tried the battery, the wiring, and the ignition switch but still cannot start your car It could be time to examine the cylinder. It's the component that holds your key and is connected to the lock on the steering wheel so a would-be thief can't drive the car without the key.

You might be noticing that your key does not turn if the cylinder is worn out. Sometimes, the pins within the cylinder become stuck when they adjust to the shape of the key, which can cause your car to not start. The cylinder might also be loose. A tap with a small tackhammer will help. Be careful not to jumble the springs within and make sure that your key is properly inserted before tapping.

Another sign that your cylinder is going bad is when you have to jiggle the key and try multiple positions before it starts. This is a bad indication and needs to be fixed immediately, as it can only get worse over time.

To examine the cylinder you'll need to disconnect your battery and remove the cover from your steering wheel until you can access the ignition module. The old ignition switch should be simple to remove, as should the cylinder made of steel. If you don't have an extra ignition switch lying around, it's likely possible to take your original ignition switch and the cylinder to a locksmith in order to reuse them as long as they are in good condition. After replacing the ignition switch and cylinder ensure that you connect the wiring, secure it and reattach the panels and covers that you took off.

4. Make sure you check the Spark Plugs

The spark plug is the ignition system's last link. If it fails it stops the engine from running. It can be that your car won't start at all or it will run badly. In either of these scenarios, it's likely that one or more factors are hindering or blocking the flow of electricity across spark plug gaps, which then ignites the air and fuel mixture within your engine.

Before you begin working on your spark plugs, be sure that you are working on a safe surface, using gloves and tools that are protected to keep from getting struck. Spark plugs are hot and can cause serious injury when touched with bare skin.

When a spark plug is bad, you might notice that the tip of the electrode's central portion has a slight brown or gray residue on it. The electrode could also be covered with a dark coating. These deposits or a build-up of fouling could prevent high-voltage electrical current from jumping across the gap between your spark plug, igniting an engine.

If you think that your spark plugs are at fault, you can test them by taking the plugs from their tube in the ignition coil. This can be accomplished by disconnecting the coil as well as the plug wire. Then, you'll need to follow the correct procedure for your vehicle in order to remove the components that surround the plugs. After you have removed the plugs, you can place them on a surface that is grounded and then crank the engine. If they're functioning you will see a bright blue spark near the tip of central electrode.

If you do not see a spark, you've identified the problem. Next, you'll need to go backwards through the ignition chain and test each part until the spark plugs are no longer working. All systems wear out and eventually break and this is especially true for ignition systems. Routine maintenance can help to reduce the wear and tear and avoid major problems in the worst case.