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Ignition Coils

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How Are High-Performance Ignition Systems Different from Standard Ones?
Once upon a time, there was only one type of ignition system. It used a distributor, points, a coil, and was subject to significant wear and tear. Then came the electronic ignition, which replaced...
How to Buy a Good Quality Ignition Coil
Ignition coils operate in a very similar fashion to a transformer; with a 12-volt power source that produces output current simultaneously to an input current that’s being applied. By creating an efficient magnetic field,...
P2325 OBD-II Trouble Code: Ignition Coil I Pri Ctrl Circ High
P2325 code definition The P2325 code being stored means that an ignition coil (or more than one) experienced problems with its primary or secondary circuit. What the P2325 code means...
How Long Does an Ignition Coil Last?
The combustion process that happens when your car is cranked is vital in order to...
P2310 OBD-II Trouble Code: Ignition Coil D Pri Ctrl Circ High
P2310 code definition The P2310 code indicates a problem with one or more ignition coils on the engine. What the P2310 code means The P2310 code indicates that one or...
How to Test a Spark Plug Ignition Coil
An ignition coil is a vital component of today’s modern engine management system. Virtually all vehicles...
What Does Ignition Timing Mean?
Timing – it has a couple of different meanings when applied to your car’s engine. One of the most critical is ignition timing (not to be confused with engine timing). Ignition timing refers...
How to Replace an Ignition Coil
Your spark plugs work with the ignition coil to receive signals from your vehicle’s computer. A bad coil can cause driveability issues like stalling.

Related questions

Question
Must you replace all ignition coils or faulty ones only for 2010 BMW 550i GT?.
Ignition coils can be individually replaced without concern as to engine operation however fuel injectors are a different matter. If you replace one fuel injector, the other 7 fuel injectors should be removed from the fuel rail and professionally cleaned....
Question
I have a 93 chevy astro and im not getting spark to from my ignition coil
There is a problem on the primary side of the ignition circuit. If your distributor was not replaced and contains a Hall effect pick-up assembly that can be tested using a self powered “indicator light” that is made for this...
Question
2011 Chevy Aveo has no spark at cylinders 2 and 3
The coils on your vehicle are all housed together in a carrier assembly. If two of the four coils aren't producing spark, there's a good chance the carrier is to blame. A professional, such as one from YourMechanic, can repair...
Question
I have hummer h3 that needs a raditor i have the raditor need to know your labor fee and do have to buy antifreeze and.i have spar
To obtain the requested quote, please visit YourMechanic’s radiator replacement service page. Once on that page, click on "Get a Quote" and enter your vehicle information (year, make, model). You are welcome to buy your own parts and book a...
Question
Changing spark plug or ignition coils
Changing spark plugs at 46000 isn't necessarily a bad idea, but mostly I say that because it will keep them from seizing to the cylinder head. Most late model cars like yours can run a set of plugs for longer...
Question
Hello does coils mess up at the same time? How do you know if dealer fix the problem first time
There is a possibility that a coil can fail close to the same time as each other but not likely. The computer will set a code for each failed coil or cylinder. If a different coil fails then you will...
Question
My car doesn't have a check Engine light on but when I took it the mechanic they found two codes
You will need to have the ignition system tested to look at the misfire data to find the exact cylinder coil that is causing the code. Misfire data in the computer memory will show the cylinder that is misfiring and...
Question
I see the price for 1 coil pack. But what is it for all 6
In order to replace all 6 ignition coils you will need to have the upper intake removed. The labor is 2.2 hours labor plus parts needed like upper intake gasket seal and the ignition coils.
Question
1996 mercury grand marquis Crank, no start
Hello, thank you for writing in. The vehicle may be having issues with the ignition module or the fuel pump. Both are good assumptions to work with for the moment. The ignition module is typically mounted to the firewall or...
Question
My V70 sputters intermittently.
I have seen where the electrical connectors to the ignition coils fall apart and will intermittently lose connection and short out. Have the connectors checked to see if they are bad and need repaired or replaced. As far as the...
Question
Joshua how much will it cost to replace all coils and plugs
Hello, thank you for writing in. The technician's do not have the ability to create proper quotes due to the pricing of labor and parts being dependent on your location. With that being said, I can share some of the...
Question
What is the correct voltage for 2007 CTS 3.6 ignition coils. I am trying to test with a multimeter.
Hello. The voltages at the coils will vary. I would need to know what codes you are getting to be able to know what testing needs to be done. If you are getting a voltage code then most of the...
Question
My acura tl melted 2 coil pack and they cannot be removed should I replace the heads or replace the motor 2006 Acura TL
Hello. I would first determine why the coils melted whether it was from an overheat or something else. In some cases the cylinder head will need to be replaced. I would get some help from an engine specialist to be...
Question
my car has 116k it is a 2004 fx35 how much would my maintenance cost be at his mileage
Hello, thank you for writing in. Replacing the coils is not part of any regular maintenance. It will be an additional charge no matter where you go. However, they are meant to work for a longer period of time than...
Question
I am having a issue with my car. I have replaced timing, camshaft, spark plugs, valve cover gasket and I keep getting random miss
You may have ignition coils that are giving out a weak spark and or failing intermittently causing the misfire. Also a system that is running lean may cause random misfires. have the coils checked for spark output after engine is...
Question
Why aren't my sparkplugs sparking?
Hello, thank you for writing in. The first two components to look at are the distributor and the coil. If you have a spark tester, test light, or voltmeter, you can measure the power supply along the circuit and find...
Question
I'm getting two ignition coils replaced on my 2007 Honda Fit and it will cost me 280 without labor. This sounds weird
Hi there. If your engine is stalling out on you and the shop has said that the issue is your ignition coils, try checking the coils and see if there is a spark coming out of them by removing the...
Question
Hi Casey I would like to know more about ignition coil for example heavy duty vs normal...thank you for your answer
The best ignition coils for your vehicle are the OEM Ford (dealer supplied) coils. There is no distinction between a regular versus heavy duty coil. If you elect to use an aftermarket coil, pick a reputable name brand from a...

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