How to Fix Car Ignition Problems

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

Utilizing specialized tools, you are able to remove your steering column trim and access the ignition cylinder module. Consult the repair manual to get guidance on how to do this correctly.

1. Check the Switch

A malfunctioning switch is among the most common ignition issues. It functions as a bridge between two contacts, controlling the relays' activation and deactivation. Because it doesn't channel the full power of devices such as the starter, it's a less powerful component that's less likely fail. The switch could still be damaged or corrosion-prone.

One sign of a damaged switch is a difficulty turning the key. This could be due to various reasons that include incorrectly inserting a key or deteriorating the mechanism over time. It's not common to see people mix their keys up with those of others. This can result in mechanical damage.

If the switch isn't working, there are a few things you can try before calling a locksmith. First, you'll need to ensure that the battery is charged and that there aren't any other electrical issues within the system. It is also important to examine the voltage of each component to ensure that they are providing enough power. After you've completed these steps, you'll be able to begin troubleshooting.

Luckily, the ignition switch is easy to replace. It's connected to the ignition cylinder, a round module that connects everything. It's necessary to use an elongated flathead as well as something that is long enough to push the pin into. This can be anything from a paintbrush handle to a kabob skewer, but it is best to avoid anything that is brittle and break within the hole.

When you're ready to do the work, you'll have to take away any trim pieces covering the area around the ignition switch. After removing the trim pieces, remove any screws that are holding the switch in place. Then, carefully take it off. Depending on the model, you might need to disconnect any cables that connect to it. If you have a manual for the vehicle you own and model, it will show you exactly how to do it.

If the ignition switch isn't functioning, it's best to have it replaced by an expert. It can be difficult to replace the ignition switch, without disabling your steering column. This could result in an unintentional airbag being deployed in the event that you don't do it correctly. This is why it is recommended to let your locksmith take care of this for you.

2. Check the Wiring

If you're unable to turn the key in the ignition or your car isn't starting, your problem could be related to any number of components in your car ignition replacement's ignition system. Understanding how the ignition system works can help you spot 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: off, accessory, run and "lock." If the switch is in the lock position (which typically has an indicator in red) the ignition circuit is active and it is not possible to start the engine.

You can use a voltmeter quickly test the ignition switch and ignition coil. The voltmeter should be reading around 12.6 volts when the ignition switch is in the running position. If the voltage falls below that then there is an open circuit somewhere within the system. This could be a battery, solenoid, or the ignition coil.

Disconnect the electrical connector so that it doesn't interfere with the test. Set the voltmeter in the resistance or continuity modes and connect one lead on one of the terminals on the ignition switch. The other leads should go to the positive terminal of the battery. If the voltmeter reads "open" or does not show any voltage, you should replace the switch.

When you're replacing the switch, be sure to use a new ignition cylinder as well as a high quality key cut to ensure that your car will run and start correctly. Also, when replacing the ignition switch, be cautious not to touch the lost ignition key cylinder pins with your tools, or they'll get stuck and your engine will not start. You'll have to take off the steering wheel and the gear selector in some vehicles to access the ignition cylinder. This can be a challenge, and it is not recommended until you have an owner's guideline that states it's safe. Otherwise severe 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 you are still unable to start your car ignition barrel replacement, it may be time to check the cylinder. It's the component that holds your key and is mechanically connected to the steering wheel lock so a would-be thief can't drive the car without a key.

You may notice that your key will not rotate if the cylinder is worn out. Sometimes, the pins in the cylinder become stuck when they adjust to the shape of the key, which may cause your car to not start. The cylinder might also be loose. A tap using the small tackhammer may aid. Be sure not to mix up the springs and ensure that your key is properly inserted.

If you have to jiggle and move the key around before it will begin, it is a indication that your cylinder is become damaged. This is a red flag and should be corrected immediately, as it can only get worse with time.

To examine the cylinder, you will need to remove the cover for the steering wheel and disconnect the battery. You'll then be able to pull out the old ignition switch and the metal ignition lock repair near me cylinder. If you don't own a spare switch, you might be able to bring your original ignition cylinder as well as switch to locksmiths for reuse so long as they're in good condition. After replacing the switch and cylinder, make sure you connect the wiring harness, secure it in place and reattach any covers or panels that you have removed.

4. Check the Spark Plugs

The spark plug is the ignition system's final link. If it fails, the engine can't run. It could be that your vehicle won't start at all or will run poorly. In either case, it is likely that one of several factors are hindering or blocking electricity from jumping across spark plug gaps, which then ignites the fuel mixture and air within your engine.

Make sure you wear protective tools and gloves before working with your spark plugs. Spark plugs can be hot and cause serious injuries when you touch them with your skin.

When a spark plug is bad, you may be able to see that the top of the central electrode is covered with some light brown or gray substance on it. The electrode could also have an opaque coating. The deposits or fouling may prevent high-voltage electrical current from jumping across the gap between your spark plug and igniting an engine.

If you suspect that your spark plugs may be the culprit, you can test them if you remove them from their tube inside the ignition coil. This can be done by disconnecting the coil from the plug wire and following the correct procedure for your vehicle to remove any components that are covering the spark plugs. After removing the plugs place them on a surface that is grounded, and begin the engine. If they're working you will see a bright blue spark across the gap between the tip of the central electrode.

If you don't see a spark you have discovered the problem. The next step is to work back through the ignition chain, testing each component until you find out what's hindering the spark plugs from performing their job. It is important to keep in mind that all systems wear out and break over time and this is particularly the case with ignition systems. That said, routine maintenance can to slow down the process and avoid a major problem at the worst time.