GL Class (X166) 2013-2015 after facelift became GLS (X166)

Coil Pack

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Old 09-12-2020, 08:44 AM
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GL 450
Coil Pack

I am getting a misfire on cylinder 6, I am planning on using a coil pack from my other engine to see if that fixes the issue. I pulled it out and it has some white stuff on the plastic, it is clean, the electrode looks good, any reason not to use it?



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Old 09-12-2020, 10:05 AM
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2017 GLE350 4MATIC
Originally Posted by silvergl
I am getting a misfire on cylinder 6, I am planning on using a coil pack from my other engine to see if that fixes the issue. I pulled it out and it has some white stuff on the plastic, it is clean, the electrode looks good, any reason not to use it?

@silvergl Can you post a well lit, clear photo of the inside of the boot? Does it look good? Does the plastic feel solid? If you can replace it with a new part, that is always best. If you re-use it as a test, and are willing to replace it later if necessary, then re-use it.
Old 09-12-2020, 02:59 PM
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The inside is clean, if this clears it up, i will get a new one.
Old 09-12-2020, 11:40 PM
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Misfire codes seldom point to ignition system problems. Rather, the misfire occurs due to an insufficient fuel mixture ... which most often pointS to maf sensor but could be a misinstalled air cleaner.
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