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ignition system

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How to Test a Spark Plug Ignition Coil
If you suspect your car has a faulty spark plug, use a multimeter to test it out in 7 straightforward steps.
Symptoms of a Bad or Failing Ignition Switch
If your car cannot start, starts but quickly dies, or has electrical components that stopped working, you may have to replace the ignition switch.
Symptoms of a Bad or Failing Starter
Common signs include the engine not turning over, starter engaging but not spinning the motor, and grinding noises or smoke when starting the motor.
How to Get a Replacement Car Key
Lost car keys can be extremely frustrating. Try to find missing keys first, then call a local locksmith to see if they can make a replacement car key.
Symptoms of Bad or Failing Spark Plugs
Common signs of faulty spark plugs include slow acceleration, loss of power, poor fuel economy, engine misfires, and difficulty starting the car.
How Does a Push-Button Start Work?
For the vast majority of people, cranking your car involves getting the key out, sliding it into the ignition, and turning...
How Does a Push-Button Start Work?
For the vast majority of people, cranking your car involves getting the key out, sliding it into the ignition, and turning...
How Does a Push-Button Start Work?
For the vast majority of people, cranking your car involves getting the key out, sliding it into the ignition, and turning...
How Does a Push-Button Start Work?
For the vast majority of people, cranking your car involves getting the key out, sliding it into the ignition, and turning...
How Does a Push-Button Start Work?
For the vast majority of people, cranking your car involves getting the key out, sliding it into the ignition, and turning...
How to Replace an Ignition Lock Cylinder
The ignition lock cylinder is usually at fault if there is an issue with the ignition system. A common sign of failure is a car that won't start.
How Does a Starter Motor Work?
When you turn the key in your car’s ignition, the engine turns over and then cranks. However, getting it to crank...
How Does a Starter Motor Work?
When you turn the key in your car’s ignition, the engine turns over and then cranks. However, getting it to crank...
How Does a Starter Motor Work?
When you turn the key in your car’s ignition, the engine turns over and then cranks. However, getting it to crank...
How Does a Starter Motor Work?
When you turn the key in your car’s ignition, the engine turns over and then cranks. However, getting it to crank...
How Often Do Spark Plug Wires Need to Be Changed?
Spark plugs provide the electricity necessary for combustion to happen by igniting atomized fuel in an engine's cylinders. However, they need a...
How Often Do Spark Plug Wires Need to Be Changed?
Spark plugs provide the electricity necessary for combustion to happen by igniting atomized fuel in an engine's cylinders. However, they need a...
How Often Do Spark Plug Wires Need to Be Changed?
Spark plugs provide the electricity necessary for combustion to happen by igniting atomized fuel in an engine's cylinders. However, they need a...
How Often Do Spark Plug Wires Need to Be Changed?
Spark plugs provide the electricity necessary for combustion to happen by igniting atomized fuel in an engine's cylinders. However, they need a...
What Causes Spark Plugs to Wear Out?
Without operational spark plugs, your engine won’t run. If even just one plug were to fail, the change in functionality would...

Related questions

Question
98 mazda b2500 steering wheel was locked. I turned key and wheel and it came loose. now truck don't do anything. battery is fine.
You're not imagining it. The ignition switch is made up of two parts, the lock assembly which handles the job of locking the steering column, and the switch element which does the electrical work. The switch element is made of...
Question
Won't start turns over
Hello. For this issue with your 1997 Saab 900, I suggest checking the operation of the crank position sensor. If the current position sensor goes bad, it won't send the parameters to the engine for it to calculate how much...
Question
Won't start
You need to look on the dash to see if your theft light is active. The system will let you crank it a few times until it locks out the crank signal. You may need to try another key if...
Question
What Does a Starter Motor Do?
The starter motor is a 12 volt, permanent magnet DC motor that engages a small drive gear on the starter with a larger ring gear that is attached to the flexplate, or flywheel. The flexplate is bolted to the rear...
Question
Vehicle won't start
Hello. This is not a problem with the alternator or the starter. I have yet to see a bad starter on this vehicle. It is almost always the battery. The battery will need to be load tested to verify this....
Question
Vehicle will not start.
Cranking and turning over are both referring to the starter cranking or turning over the engine. If the key is turned inside the ignition and no sound is heard while attempting to start, the starter may be faulty. If a...
Question
Vehicle refuses to start.
Fuel supply to the carburetor needs to be checked. The fuel system including the fuel pump and filter will need to inspected is there is no supply at the carburetor. The carburetor may need to be checked for filling as...
Question
Vehicle not starting.
It sounds like your Tacoma may have a low battery, a failing battery cable, or a bad starter. If the engine will only crank partially over then there is either not enough power getting to the starter or the starter...
Question
Vehicle not starting.
This truck came with a three different size engines. The most common reasons for no starts are the engine timing belt is broken. The fuel pump is not pumping and would need replacement. A qualified mechanic would be able to...
Question
Vehicle hard to start
There can be quite a few reasons why you are experiencing a hard start condition in your Honda Civic. This can range from a weak fuel pump, dirty idle air control valve, a failing fuel pressure regulator or perhaps it...
Question
Vehicle does not start.
Hello, your car need three things to start: power, spark, and fuel. I would first and the battery cables cleaned to make sure that there is power getting to the ignition. A technician from YourMechanic can help you with this....
Question
Van not starting.
There are a number of reasons why your van will crank and not start. You can have anything from a faulty fuel pump, a bad crank sensor, an internal engine failure or too many other things to count. A mechanic...
Question
Truck will crank but will not start
The best way to approach a starting issue like this is to break it down and start with one system at a time. Keep it as simple as possible. If you have not already checked for spark, you will want...
Question
Truck turns over but doesn't start
It is quite possible that the fuel filter is what is causing your no start issue. If the fuel filter becomes clogged with debris, the fuel pressure at the fuel rail will decrease due to the restriction. If the fuel...
Question
Truck stuck in park
There is a wide variety of reasons as to why a vehicle may not shift out of park. A common reason, however, is a failed brake switch located at the pedal. I would first test the brake switch to make...
Question
Truck stalling.
This might be a problem with the theft deterrent system, if you have another key you might try using that, otherwise you might need a certified mechanic to scan for engine codes and verify that the oil pressure switch is...
Question
Truck not starting.
Your transfer case may have an internal issue or a shift linkage issue may be the cause. I recommend you have a qualified technician check to see if the transfer case is defective or you have just a linkage issue....
Question
Truck not starting.
When you say won't start, I will assume it is a crank no start. There are at least two possible failures for the no start. First and most common is the the fuel pump and filter. The next most likely...
Question
Truck keeps stalling
Your vehicle having an idle issue is likely due to an air leak in the intake system or a sensor. Diagnosis of this problem is difficult on your year and model of truck. Finding the issue may be quick or...
Question
Truck does not start
Hi. If the engine cranks normally but doesn't start, most likely the engine is not getting fuel or spark. Just because you have fuel pressure from the pump doesn't mean that fuel is getting to the engine. In modern vehicle,...

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