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post #1 of 15 Old 07-02-2018, 11:35 PM Thread Starter
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Possible CVT failure?

Hello, I recently purchased a 2012 Nissan Versa from a dealer as my first car back in August 2017. Being my first, I didn't know all about the CVT and all of the problems associated with my vehicle. When I first bought it, it was in pretty bad shape... it required about $1,000 of work, but after it was fixed drove a lot better. (It needed new brakes and shocks + struts). I want to say sometime in the winter a check engine light did come on, and the reader said it was for a fuel sensor. We did fix the sensor, but the light stayed on, and we took it back to the shop to get it fixed. (It has about 76k miles on it).

Over time, I noticed that the car has trouble accelerating as it should after stopping. At about 20 miles per hour, it will feel like it's pulling back and then will jump forward and accelerate. It will only do this one time until I stop again. Recently, it has been using a lot more gas and is rough going up hills, it wants to go to 25 instead of 35. It has actually jumped right after stopping before but it's pretty rare. I took it to a local transmission shop and they said that my transmission was in very bad shape, because of how it was jumping and slipping. I then took it to a different transmission shop to see if they would confirm it, and they told me it was actually a bad catalytic converter and not the transmission at all. It obviously isn't good news, but better than a $4,000.00 transmission repair. I took it to another guy that wasn't in a shop and he said that the car was fine for now but I'm not completely sure. It upsets me because it is my first car, and I would like to know if anyone has had similar issues/ knows what the problem is? Overall, it runs pretty well except for the lurching forward, and loss of power on hills. Thank you in advance. The car also is way past warranty, and I don't want to get a new converter unless I'm sure the transmission is okay.
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post #2 of 15 Old 07-03-2018, 05:20 AM
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A failing catalytic converter will set a MIL(Malfunction Indicator Light), with a diagnostic code of P0420(catalyst low efficiency).
If P0420 is not set, the catalytic is fine.
Have a auto parts store or shop pull any diagnostic codes.

My WAG(wild a$$ guess) is trans failing.
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post #3 of 15 Old 07-03-2018, 03:16 PM
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Quote:
Originally Posted by Gloria Marie Boyer View Post
Hello, I recently purchased a 2012 Nissan Versa from a dealer as my first car back in August 2017. Being my first, I didn't know all about the CVT and all of the problems associated with my vehicle. When I first bought it, it was in pretty bad shape... it required about $1,000 of work, but after it was fixed drove a lot better. (It needed new brakes and shocks + struts). I want to say sometime in the winter a check engine light did come on, and the reader said it was for a fuel sensor. We did fix the sensor, but the light stayed on, and we took it back to the shop to get it fixed. (It has about 76k miles on it).

Over time, I noticed that the car has trouble accelerating as it should after stopping. At about 20 miles per hour, it will feel like it's pulling back and then will jump forward and accelerate. It will only do this one time until I stop again. Recently, it has been using a lot more gas and is rough going up hills, it wants to go to 25 instead of 35. It has actually jumped right after stopping before but it's pretty rare. I took it to a local transmission shop and they said that my transmission was in very bad shape, because of how it was jumping and slipping. I then took it to a different transmission shop to see if they would confirm it, and they told me it was actually a bad catalytic converter and not the transmission at all. It obviously isn't good news, but better than a $4,000.00 transmission repair. I took it to another guy that wasn't in a shop and he said that the car was fine for now but I'm not completely sure. It upsets me because it is my first car, and I would like to know if anyone has had similar issues/ knows what the problem is? Overall, it runs pretty well except for the lurching forward, and loss of power on hills. Thank you in advance. The car also is way past warranty, and I don't want to get a new converter unless I'm sure the transmission is okay.
I have a 2012 Versa sedan, and when my CVT transmission started to fail, I would be stopped at a light, and the car would just lurch forward just a bit, but was clearly noticeable. The other thing was that the "Check Engine light" was on. I took it to the dealership, where they diagnosed it as the CVT transmission main control valve failure. My vehicle was still under warranty, and the dealer put in a new CVT transmission. I know that some dealerships have a poor reputation with a lot of drivers, but rather than spin your wheels going from shop to shop, I would take it in and see what it would cost to diagnose the transmission. They have the computers and software to do the job in a few minutes. In my case, they came back with a diagnosis within 20 minutes. Hopefully it is not the transmission.. Good luck!!!
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post #4 of 15 Old 07-03-2018, 07:14 PM
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Isn't the CVT on the 2012s warrantied for 100,000 miles? As mentioned the quickest way to find out what the problem really is ..is to take it to a Nissan Dealer. Cat should also still be under warranty.
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post #5 of 15 Old 07-04-2018, 01:40 PM
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Originally Posted by Alan_nc View Post
Isn't the CVT on the 2012s warrantied for 100,000 miles? As mentioned the quickest way to find out what the problem really is ..is to take it to a Nissan Dealer. Cat should also still be under warranty.
That warranty was only for earlier Nissan years:

Every Nissan is backed by a 36-month/36,000-mile limited vehicle coverage and a 5-year/60,000-mile limited powertrain coverage. 2003-2010 Vehicles equipped with a Continuously Variable Transmission (CVT) also have a 10-year /120,000 mile CVT limited warranty extension.
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post #6 of 15 Old 07-07-2018, 04:23 PM
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A bad or clogged cat with cause a substantial decrease in power and a decrease in fuel mileage as well. To see if it is clogged, get under the car safely and wrap the cat in aluminum foil securely and being sure to not have any holes or cuts in it. Start the car and rev it. If you look at the foil and there arent any holes in it, take the car for a drive with hills or something else that will put a good load on the motor and then look at the foil again. If there are holes, the cat is clogged. Every cat uses spring bolts for this exact reason - if the cat becomes clogged the pressure allows the flange between the cat and exhaust piping to separate in order to relieve pressure. If this occurs, it will blow a hole in the aluminum foil.

I'd get the codes checked again. A bad primary oxygen sensor can cause engine stumble as well as horrible fuel economy. I once had a Hyundai Elantra come in that would get bad mpg and would sometimes die or stumble when coming to a stop. Swapped out the O2 sensor with a cheap one from eBay that was meant for the car and it ran perfect thereafter.
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post #7 of 15 Old 07-07-2018, 08:46 PM
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What versa sad is true. A lot of older cars that sound loud under the hood like an exhaust leak, but quiet at the rear has blow the ring that seals the cat to the header pipe cause the cat is clogged. Sure you can burn or melt the cat, but it will also clog.
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post #8 of 15 Old 07-11-2018, 06:44 PM Thread Starter
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Quote:
Originally Posted by pimperell View Post
That warranty was only for earlier Nissan years:

Every Nissan is backed by a 36-month/36,000-mile limited vehicle coverage and a 5-year/60,000-mile limited powertrain coverage. 2003-2010 Vehicles equipped with a Continuously Variable Transmission (CVT) also have a 10-year /120,000 mile CVT limited warranty extension.
I saw this online, but also saw somewhere it got extended for all CVTs? Does anyone know for sure what the warranty is? I might just call a Nissan deal to be sure!
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post #9 of 15 Old 07-12-2018, 01:04 PM
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That statement is the correct one. My 2012 transmission was replaced under warranty last August, 2 days before the warranty was to expire. The only ones that are covered by the extended warranty are the 2003-2010 year models. It can't hurt to call the dealer.



Every Nissan is backed by a 36-month/36,000-mile limited vehicle coverage and a 5-year/60,000-mile limited powertrain coverage. 2003-2010 Vehicles equipped with a Continuously Variable Transmission (CVT) also have a 10-year /120,000 mile CVT limited warranty extension.
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post #10 of 15 Old 08-09-2018, 08:15 PM
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Are the CVT's a problem on the 2014 Note SV?
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