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How to Fix Car Ignition Problems

The car won't begin to start until the ignition switch transmits an electrical signal to the starter motor. Normal wear and tear over time can cause the switch to malfunction.

You can remove the steering column trim with specialized tools to access the ignition cylinder module. Refer to your repair manual for learn how to do it right.

1. Make sure you check the Switch

One of the most frequently encountered ignition issues is a defective switch. It acts as bridge between two contacts, controlling the time when relays are activated and deactivated. Because it isn't able to harness the full power of devices like the starter, it's a lighter-duty component that's less likely to fail. The switch could still be damaged or damaged or corroded.

One sign of a damaged switch is a difficulty turning the key. This can be caused by a number of factors such as the wrong way to insert a key, or the mechanism being worn out over time. It's also commonplace for people to mistake their keys to their car with those of another's, which could result in mechanical damage.

Before calling a locksmith you can try a few things. You'll first want to ensure that the battery is fully charged and there aren't any electrical issues with the system. You should also test the voltage of each component to determine if it's supplying adequate power. Once you've done these steps, it's now time to start 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 need a flathead screwdriver and something that is long enough to push the pin inside. It could be anything from a paintbrush handle to a Kabob skewer, but you should stay clear of any brittle material that could break within the hole.

When you're ready to do the work, you'll need to take away any trim pieces that cover the area around the ignition switch. After this take off and loosen any screws that are holding the switch in place, and then carefully pull it out. Depending on the model you might need to disconnect any cables that connect to it. If you have a manual for your vehicle it will explain exactly how to do this.

It is recommended to have the ignition switch replaced by professionals in the event that it isn't working. It's difficult to replace the ignition switch, without disabling the steering column. This could result in an unintentional airbag deployment when you don't do it correctly. Therefore, it's best to have your locksmith take care of this for you.

2. Verify the Wire

If you can't turn the key in the ignition or your car won't start, the issue could be related to any of the parts of your car ignition lock's ignition system. It's important to understand how the ignition key replacement system functions so that you can pinpoint problems and make the right repairs.

The ignition switch is an electrical switch with multiple poles that is operated by a key. It has four positions including off, accessory, run and "lock." When the switch is locked (which is usually marked by the red light), the ignition lock repair near me circuit is activated and it is inaccessible to start your car.

You can use a voltmeter to quickly test the ignition switch and ignition coil. The voltmeter should read around 12.6 volts when the ignition switch is in the running position. If the voltage drops below that level, it's a sign there's an open circuit somewhere in the system. This could be at the solenoid, the battery or at the ignition coil itself.

Remove the electrical connector from the ignition switch so that no other components can interfere with your test. Set the voltmeter in the continuity or resistance modes and place one lead onto one of the terminals on the ignition switch. The other lead should be connected to the positive terminal of the battery. If the voltmeter is "open" or fails to register any voltage, you must replace the switch.

If you're replacing the switch, be sure to use a brand new ignition cylinder and a top quality key cut to ensure that your vehicle will start and run properly. Also, when you replace the ignition switch, you must be careful not to strike the pins of the ignition cylinder with your tools, or they'll get stuck and your engine won't start. You'll need to take off the steering wheel and gear selector in certain vehicles to get access to the ignition cylinder. This can be a challenge and should not be done unless you have an owner's manual that indicates it's safe to do so. Otherwise, serious damage to the steering column and shifting mechanism is likely.

3. Check the Cylinder

If you've gone through the battery, wiring and ignition switch and still cannot get your car to start, it could be time to look at the cylinder. It's the part that holds your key and is mechanically connected to the steering wheel lock to ensure that thieves can't drive the car ignition switch replacement without a key.

You may be noticing that your key does not turn if the cylinder has worn out. Sometimes, the pins within the cylinder get stuck when they adjust to the shape of your key, which can cause your car not to start. The cylinder could also be sloppy. A tap with a small tackhammer will help. Just be careful not to disturb the springs in the cylinder and ensure that your key is correctly placed before tapping.

Another sign that your cylinder is in trouble is if you have to jiggle the key and test it in various positions before it gets started. This is a sign of trouble, and it should be corrected right away, since it will only get worse over time.

To examine the cylinder, you'll need to take off the cover on the steering wheel and disconnect the battery. The old ignition switch should be simple to remove, as well as the metal ignition cylinder. If you don't own a spare switch, you might be able take the original ignition cylinder and switch to locksmiths for reuse so long as they're in good condition. After replacing the switch and cylinder be sure to reconnect the wiring harness and secure it and reattach any covers or panels you removed.

4. Check the Spark Plugs

The spark plug is the final link in your ignition chain. The engine cannot run in the event that the spark plug fails. This could take the form of your car not starting at all, or may start but run poorly. In either case, the cause is likely to be one of several factors that block or hinder electricity from jumping across the spark plug gap, which ignites your engine's air and fuel mixture to start.

Be sure to use gloves and protective tools before working with your spark plugs. Spark plugs are hot and can cause serious injuries when touched with your naked skin.

If a spark plug goes bad, you may observe that the edge of the central electrode is covered with a slight brown or gray substance on it. The electrode could also have an opaque coating. These deposits, or fouling, may prevent high-voltage electricity from jumping across the gap between the spark plug and sparking your engine.

If you think that your spark plugs are at fault you can test them by removing them from their tube inside the ignition coil. This can be accomplished by disconnecting the coil and the plug wire. After that, you'll be required to follow the correct procedure for your vehicle in order to take off the components that are covering the plugs. After removing the plugs, place them on a metal surface that is grounded and begin the engine. If they are good you will see a bright blue spark across the gap between the tip of the central electrode.

If you don't see any spark, you've found the problem. The next step is to go back through the ignition chain, testing each part until you discover what's hindering the spark plugs from doing their job. It is important to keep in mind that all systems wear down and break down with time, and this is especially the case with ignition systems. Routine maintenance can help to slow down the process and prevent a major headache at the worst time.