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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...
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
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
My car starts in the morning with a sputter.
The noise could be either an ignition coil misfiring and causing the engine to stall on a cylinder making the engine sputter or the engine is sputtering with an injector that is sticking until it get hot as it maybe...
Question
93 ford explorer is bucking.
Hi there. Check the spark plugs, spark plug wires, and the ignition coils and see if they are working. Check for spark on all of the cylinders and see if the spark is good. If the spark is good, then...
Question
I installed the engine but has no fire to injectors or coil pack. Changed the crank sensor and cam sensor. Checked timing belt and everything is all okay.
Check the spark plugs and see if there is park on them as the engine is cranked over. If there is spark, then the ignition coils is working. Check the fuel injectors and see if they are getting fuel to...
Question
Misfiring, and we have been told the coil pack has given up. Bought 3 aftermarkets which aren't even letting it run 2012 Sonic 1.6L
Hi there - the coil packs on this model have a design issue, and use of OEM parts, and great care in installation is required. I recommend a engine misfire inspection performed by a mobile, professional mechanic, such as one...
Question
Hello I'm planning on buying this 2005 Acura MDX but one of the issue on the car is that it needs the coil pack replaced. Could yo
The vehicle you are looking at has six individual coils (aka, "coil packs", or "coil on plug") one for each of the six spark plugs on the engine. These are frankly mundane devices and if only one is faulty, if...
Question
How do you know if the ignition needs to be replaced when you replace the plugs on dodge 5.7 hemi?
Hi there. To determine if the ignition coils need to be replaced, remove one park plug wire at a time and hook it up to a spark tester gauge and set the gauge to 10 thousands gap and increase it...
Question
My car turns over but won't start, has no spark, distributer cap/rotor, spark plugs, and ignition module have been replaced.
Hi there. It sounds like the ignition coil has failed causing the no spark issue. The secondary circuit within the ignition coil has either burned up or shorted out. I recommend replacing the ignition coil. If you need further assistance...
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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