Changed Spark Plugs and Ignition Coils Still Misfiring

I have changed my spark plugs and ignition coils and I'm still getting ...

That can be narrowed down even further by either using a noid light to confirm that the ignition coil and the fuel injector are both firing. If ...

Misfire AFTER replacing Ignition Coils - VW Forum

check your coil harness. fix it and shield it from the heat. are the plugs gapped properly? dont just pull them out of the box and throw them in ...

New Ignition Coils and Plugs Didn't Fix Your Car or Truck's Misfire ...

thought is probably to replace the spark plugs, ignition coils, or both. But what if the engine continues running rough after that? In this ...

Swapped Ignition coils, still have misfire on same cylinder, what do?

I assume that meant the miss fire was not from the plugs since it missed fire before the change. Is that correct? Did you get miss fire before ...

Missfire after changing plugs - Honda Pilot Forums

I doubt the spark plugs are the cause of the various cylinder misfiring. I would take a closer looking into the MAP sensor. I would check it ...

Misfires after changing all spark plugs and coil packs - VW Vortex

Honestly, you really need to know what your plugs are gapped to. They will misfire if the gap is too big. I would start there. If your gaps are ...

Still having misfires after changing coils and spark plugs - MBWorld

Still having misfires after changing coils and spark plugs · I'd change the coil pack with a brand new one from Mercedes (only 1 required) which ...

Recent Spark Plug & Ignition Coil Change Causing A Misfire

If there is any damage to the metal threads - replace the plug, it's way cheaper than engine disassembly to fix a buggered thread in the head.

Getting misfire error constantly after replacing coils and spark plugs

Well, that maybe your problem, leaking spark plug tube well seals. If the ignition coils are covered with oil when you take them out, your seals ...

Misfires after replacing plugs and coils - North American Motoring

I was getting misfires abck in Marchish and I replaced the plugs and everything seemed fine after that. Recently, I started getting a rough idle ...

Misfire codes after replacing spark plugs and ignition coils - AudiWorld

Bad coil packs can cause misfires. Even new ones can be faulty. Find the cylinder that is misfiring, then move the coil packs around, see if the ...

Replaced spark plugs and ignition coils but cylinders still misfiring

The codes were changing cylinders after i swapped coils, the one coil i replaced i replaced with a duralast from autozone, the other 5 are stock coils.

06 TC repeated misfires issues - Scion tC Forums

if you put a new spark plug coil and it is still misfiring (lack of power in that cylinder) then it could be due to a clogged or bad fuel ...

Replaced Coils and Spark Plugs - STILL Misfiring

Note to diagnose you need to switch only one part at the time. Only the spark plug or only a coil - not both at once. There are other ...

Replaced coils and plugs but still have a misfire????

You may want to also check the coil on that cylinder for damage. It can potentially present as (a) very thin linear crack(s). Myself, I prefer ...

Misfire after changing spark plugs, is this normal? - CivicX.com

Also one of the new spark plugs seemed to have a slightly damaged thread but still managed to install it fine. I ran the car with a cheap OBD ...

Replaced Injectors, plugs & coil - still misfiring & sputtering

Had #2 injector go out (injector circuit p0202 code) so I went ahead & replaced ALL 6 injectors, all 6 spark plugs, plus a new ignition coil.

new coil, new plugs, STILL MISFIRING - VW Vortex

#2 terminal is ok. The likely problem is your spark-plug wires, or even the plug itself, but since you changed the plugs, the wires are likely ...

Changed Spark Plugs and Ignition coils and still getting same misfires

Have you adjusted the clearance on the rocker arms? The exhaust gets tighter over time eventually don't close all the way I have read which can ...

Multiple ignition coil faults after changing spark plugs

Make sure they are seated well into their wells. It's possible to install a coil with the boot completely missing the plug. Also check that the ...