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No You Only Need To Replace The Bad One.

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17y ago
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Q: When replacing coil packs do you have to replace all of them?
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What do you replace if all cylinders are misfiring?

If you have a misfire on all 4 cylinders you have your choice of replacing them all and hoping that is the problem OR finding a local s2k owner willing to swap coil packs for a day to see if the misfire clears up. If you can't find someone to trade coil packs with, then you have an expensive gamble...either the coil packs or the injectors are bad and there really isn't a good way to tell unless you replace one or the other. Ignition Coil packs run about $90 each. Some part of the engine, it probably overheated and you just need to replace the cylinder heads or if lucky the little rubber seals that most likely melted.


Where is the distributor module on a 1988 Chevy Cavalier?

The 1988 cavalier and or jbody cars use a coil pack.You do not have a distributor and if a ignition issue is present replacing one or all coil packs are the answer.I originally stated it could have had a distributor but,was incorrect on my first response.As said if you replace the coil packs unhook your negative battery cable prior to any electrical work to prevent and problems and safety.


Should you change all ignition coil packs?

The newer style coil packs are no longer a maintenance item and don't really wear out. If one coil pack fails I usually just replace the faulty one. Unless there is visible damage or performance issues with the other coil/coils there is no reason to change them all.


Replace spark plugs on a 1990 Nissan 300zx twin turbo?

remove the balance tube in the back romove the 6 coil packs held on by 2 bols per coil pack obtain a spark plug extractor socket add an extension to your socket unscrew all six spark plugs replace with factory or upgraded plus return all six coil packs bolt them down return the balance tube and bolt and done


How do you diagnose a bad coil pack on a 5.4 liter ford?

This is how I diagnosed my 5.4 liter coil packs, I isolated the cylinder that was misfiring and then took a know coil from a good cylinder and swapped with the suspected bad coil. When the misfire went to the specific cylinder I swapped, I replaced that coil. Note- It is advised to replace all coil packs if you can afford too! Summit and Stylin has Hi performance coils for the fraction of cost as a single cost of the dealer's price.


Do you have to change all the coil packs for a 1990 300ZX if just one is bad?

No.


How to replace the spark plugs on a 2000 vitara?

If it has the 2.0 litre 4 cylinder with direct ignition remove the igniter coil packs by removing the retaining bolts and pulling the igniter upwards to remove it from the plug. Do this for all plugs. Remove the plugs as you would normally (need a long plug tool or an extension). The number three can be tricky because of the strut tower brace, depending on the tools you use. Replace the plugs. It's recommended that you grease the plug boot before replacing. Check an auto shop for suitable grease. Replace the coil packs and tighten the bolts. Don't know what the exact torque should be, but don't strong arm them!


Does a 1997 Chrysler sebring have a distributor or coil packs?

The 1997 Chrysler Sebring 2.5L has a distributer with an intergrated coil. All other models have a distributerless ignition ("coil packs" as you say). The 2.5L V6 has a distributor with a buikt in coil, that is true regardless of year. The 2.4L inline 4 has a coil pack.


Why does your Lumina Euro die while you are driving and when you stop?

I have a 1990 Lumina Euro 3.1 that done this and it about drove me crazy. I had replaced all 3 coil packs and thought it fixed it but then it happened again. Come to find out it was the ECM that sits directly under the coil packs. It's fairly easy to replace but the starter wire is in the way of the center coil pack, so you may have to remove it. Hope this helps.


What would case a 1998 323 to skip on and off then just shut off?

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Could be spark Plugs , Spark Plug Wires, Or could even be the Coil Packs. Not uncommon to replace coil packs every couple of years. There is 3 coil packs . That is one pack for 2 firing cylinders. they are easy to change. 2 small screws hold in each coil pack. you can buy just one coil pack and then just trade it around in your carand see which pack is bad. YOu can buy them at parts places such as Advance auto or Autozone for about 20-25 dollars. those are the first 3 things that i would try. Lastly it could be in the electronic module. that is the meat peice under the 3 coil packs , usually when this goes out the car will not start up at all.


2001 Isuzu Rodeo why is it backfiring while turning ignition on?

Have you checked that the coil packs are all plugged in? Replace your spark plugs? Heck I would replace the plugs just to rule them out as the fault. I would need a little more information to answer this fully.