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I have a 2016 that was sputtering- I'm being told the spark plugs and ignition coil need to be replaced for $465. I thought they were supposed to last 100,000 miles. I'm also being told the coil is a maintenance item and not covered under warranty. Is that correct?
 

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I did this at 50 Kms too! Me it was corrosion from our winter salty roads. I purchased a coil on AliExpress for $55USd ($75Cdn) ( https://www.aliexpress.com/item/32900202652.html?spm=a2g0s.9042311.0.0.27424c4dgR06Ug ) and swapped it. The plugs were good and still are. Now at 51,000 miles ( 82,000 Kms )

Actually I purchased 2 in case this was going to be a problem, so I have a spare.

Here is a picture of what the contactors looked like and the bottom of the coil.




You can also get just the contactors if it's the only thing that went bad.
( https://www.aliexpress.com/item/32946804018.html?spm=a2g0s.9042311.0.0.27424c4dgeyKeG )
 

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Hey Traxy does this sound like a common problem with all the trax years concerning the ignition coil and contactors? I have had an occasional sputter but it happens every once in awhile and i am at 88,000 miles.
 

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Yes there was a bulletin out for earlier models, don't know if it's still in effect. The cure was to clean and add dielectric grease to the inside of the plug boot which I did when I changed my coil pack. I haven't pulled it out to check but everything is working well at this point. Maybe this would be a good preventative maintenance, just remember to lift straight up on the coil pack so you don't tear the spark plug boots.
 

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Just replaced the coil pack on a 2016 with 48K miles. No corrosion or damaged plug boots, just died.
Replaced it with an identical AC Delco (Delphi) D521C. Resistance between all the secondary coils on the new rail was exactly 11.4K ohms.
Resistance between the coils on the dead unit varied by 1,000s of ohms. All better, but $85 via Amazon still stings at 48K miles.
 

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I have a 2016 that was sputtering- I'm being told the spark plugs and ignition coil need to be replaced for $465. I thought they were supposed to last 100,000 miles. I'm also being told the coil is a maintenance item and not covered under warranty. Is that correct?
2016 TRAX Only 39k!
Same thing coil pack bad

Dealer said $465 that's after the
$120.00 Inspection fee! [Translation - plug in code reader for a minute or two]

All for a 10 minute install and a $60.00 part
How is $585.00 anything close to a fair price?
I'm also being told the coil is not covered under the drive-train warranty
All because they went cheap on the dielectric grease at the factory! - what a joke.
 

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I am having hesitation issues at 39k in a 2018 Trax. Only at certain rpms. Feels like when an older car had a plugged fuel filter. Coil packs you think?
 

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Don't think so. Bad gas would be my guess. Try some GM gas treatment, I find it works really good, I dump one in about every 3 months, which reminds me that I'm due. Felt a few sputters today on the highway, sure sign.
 

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I am having hesitation issues at 39k in a 2018 Trax. Only at certain rpms. Feels like when an older car had a plugged fuel filter. Coil packs you think?
Check your air filter too, i started to get a little bit of that in my 19 Trax and was told my air filter was dirty during the last oil change. Swapped it myself and haven't had the slightest bit of hesitation and regained almost half a mpg in fuel economy. I chose a Puralator One filter since the AC Delco filter was out of stock locally.

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