Ignition coils a chronic issue?

D

DaChoZn1

Member
Location
Houston, TX
Hello Everyone,

I have a 06 FX35 with currently 73.5K miles on the odometer.

Back in June while on my way home from a hard day at work, my FX35 suddenly began sputtering and would not accelerate. I was able to limp it home and have it towed to a local Infiniti dealer the next morning.

The trouble was isolated to defective ignition coils. The dealer replaced all 6 ignition coils, both terminals to engine assy, bolts to cross support behind glove box assy and both cat converters.

Lucky for me, I bought an extended warranty. Only $50 out of pocket.

My truck has been running great for the most part. However, I can swear that I'm intermittently feeling a very faint sense of sputtering a low speeds whenever I'm slightly tapping the accelerator. It's as if the coils are beginning to fail. I don't know if I'm just being paranoid or should I really be concerned?

I travel a lot and sometimes with my 5 year old son. For me, reliability is a must. If it happens again, I may seriously considering trading it in.

What do you guys think? Is this known issue becoming a chronic issue? I'd appreciate any suggestions you all may have. Thank you in advance.
 
Bring it back and let the dealer check for any misfires. Tell them the work you had previously done and what your feeling. Might need plugs or a simple sensor. Or i bet a good throttle body cleaning would do the trick.


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I just went through this same exact issue last month with my 72k mile '05 FX35.

///13676

I don't think it's a chronic issue per se, other than they are sensitive to grounding (obviously). I had to pay for my coil replacement though the cats were covered under the emissions warranty. I did have them replace the plugs while they were at it though. No problem since having the work done, even in the extreme TX heat we've been having. I drove to Dallas yesterday and returned today, no problems at all.

I don't think you are going to tell when a coil is going bad. It's either going to be working or not. If it's not working then you will get a code plus you now know what a bad misfire feels like.

One thing I would suggest to all fellow FX'ers is to at least clean up the battery cable grounding points every 60k miles or so. Maybe even replace the cables as the TSB calls for.
 
yeah same thing with my 04. dealer said grounding wire gone bad so it cause ignition to just milting . replacing ignition coil didn't fix the problem. I tried that and It burn
my new ignition coil right before my eye. they should replace grounding wire and every thing els. lucky you are under warranty, my was just out of warranty. car still at dealer right now waiting for part and its been there for good 10days
 
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