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How to Fix Car Ignition Problems

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

With the help of special tools, you can take off the steering column trim and gain access to the ignition cylinder module. Check the repair manual to get guidance on how to do this properly.

1. Make sure you check the Switch

One of the most frequently encountered ignition issues is a defective switch. It acts as an intermediary between two contacts, regulating the time when relays are activated and deactivated. It is more likely to fail since it does not channel full power from devices like the starter. However, it's still possible for the switch to become damaged or corrosion-prone.

One sign of a damaged switch is difficulty turning the key. This can be due to a number of factors that include not inserting the correct key correctly or deteriorating the mechanism over time. It's not uncommon for people to mix keys with those of others. This could cause mechanical damage.

Before calling a locksmith you may try a few options. First, you must ensure that the battery is fully charged and there are no electrical issues within the system. Also, you should check the voltage of every component to make sure they're supplying enough power. After you've completed these steps, it's now time to begin troubleshooting.

Fortunately the ignition switch is simple to replace. It is connected to the ignition module, a round piece of metal that holds everything together. To replace it, you'll require a flathead screwdriver and something that is long enough to push the pin inside. It could be anything from paintbrush handles to kabob skewer, but it is best to avoid anything brittle that could break within the hole.

Remove any trim pieces that cover the area around the switch once you're ready to go. After taking off the trim pieces, remove any screws that are holding the switch in position. Then, carefully pull it out. Depending on the model, you might also need to disconnect the wires that connect to it. You can learn how to do this in the manual of your vehicle.

It is best to have the ignition switch replaced by professionals if it doesn't work. Replacing it can involve disabling the steering column which may trigger unintentional deployment of airbags if done incorrectly. It is best to let your local locksmith handle this.

2. Check the Wire

If you're unable to turn the key in the ignition or your car won't start, your issue could be due to any number of components in your car's ignition Key Repair system. Understanding how the ignition system functions will help you identify problems and make the appropriate repairs.

The ignition switch is a low-voltage multi-pole electrical switch that can be operated by a key. It has four positions that are off, accessory, run and "lock." If the switch is in the lock position (which typically has a red indicator) the ignition circuit is live and it's not possible to start the engine.

To determine if the ignition switch is bad or the ignition coil is bad, you must conduct a quick electrical test using the help of a Voltmeter. When the ignition switch has been set to run at a certain voltage, the voltmeter should read about 12.6, If the voltage falls below that, there is an open circuit within the system. This could be at the battery, the solenoid or even the ignition coil itself.

Remove the electrical connector so that it doesn't interfere with the test. Then set the voltmeter to the resistance or continuity mode and place one lead on one of the ignition switch terminals. The other lead should go to the positive terminal of the battery. If the voltmeter is "open" or does not detect any voltage, it is recommended to replace the switch.

Use a brand new ignition key and a high-quality ignition cylinder when replacing the switch to ensure that your vehicle is running and starts correctly. When you replace the switch, make sure not to strike the pins of the ignition cylinder with your tools. Otherwise, they'll get stuck and your engine won't be able to run. In some vehicles, you'll need to remove the steering column and the gear selector to get access to the ignition cylinder. This isn't easy and is not recommended unless you have an owner's guideline that says it's safe to do so. If you don't you could cause severe damage to your steering column and the shift mechanism.

3. Check the Cylinder

If you've gone through the wiring, battery, and ignition switch but cannot get your car to start, it could be time to look at the cylinder. The cylinder is the part that holds the key and is mechanically linked to the steering lock so that burglars won't be able to drive the car ignition switch replacement if it's not there.

If your cylinder has started to wear out, you might be noticing that your key isn't able to turn. The pins of the cylinder may become stuck when they adapt to the shape of your key. This could cause your car to not start. Or, the cylinder might be loose however a tap using a small tack hammer can aid in releasing it. Be careful not to jumble the springs in the cylinder and ensure that your key is properly installed prior to tapping.

If you have to move the key before it can begin, it is a indication that your cylinder has gone bad. This is a red flag and should be addressed immediately, since it will only get worse over time.

To examine the cylinder, Ignition key repair you will need to remove the steering wheel cover and disconnect the battery. The old ignition switch should be simple to remove, as should the cylinder for ignition made of metal. If you don't have an extra ignition switch lying around, it's possible to take your original ignition switch and the cylinder to a locksmith and reuse them, as long as they are in good condition. After replacing the switch and cylinder be sure to reconnect the wiring harness, secure it in place and then reattach any covers or panels you removed.

4. Check the Spark Plugs

The spark plug is the final link in your ignition chain. If it fails it will stop the engine from running. This could take the form of your car not running at all, or it could start but not run well. In either case, the cause is likely to be one of several things that hinder or prevent the flow of electricity across the spark plug gap, which ignites your engine's air and fuel mixture to run.

Be sure to wear protective tools and gloves before working with your spark plugs. Spark plugs can be extremely hot and cause serious injuries if they are touched by hands without gloves.

You may notice a light gray or brown residue on the edge of the electrode when a spark plug is bad. The electrode may also have an opaque coating. These deposits, or fouling, may prevent high-voltage electricity from jumping across the gap between the spark plug and igniting your engine.

If you suspect that your spark plugs might be the cause, you can test them if you remove them from their tube inside the ignition coil. This can be done by disconnecting the coil and the plug wire. Then, you'll be required to follow the correct procedure for your vehicle to take off the components that are covering the plugs. Once you have removed the plugs, you can place them on a metal surface that is grounded and crank the engine. If they are working you will be able to see a strong blue spark at the edge of the central electrode.

If you don't see any spark, you have found the problem. The next step is to work back through the ignition chain, testing each element until you find out what's blocking the spark plugs from performing their job. Every system will get older and eventually break, and this is particularly true for ignition systems. However, regular maintenance can help slow the process down and avoid a major problem at the worst moment.