My wife bought a Nissan Sentra about twenty months ago
from carmax. Earlier this year it started having
acceleration issues. We have a decent warranty. Carmax
has had this car extendedly over the past several months.
They put in a new transmission. Same problem. They
replaced the fuel pump. Same problem. It is a sporadic
issue. It occurs randomly a few times a day. There is no
engine light and no diagnostic code. I drove it yesterday
and at one point had the pedal all the way to the floor with
no engine rev. Carmax is now acting crazy because
there’s no issue when they test drive it. What else can I
get them check? A friend told me it’s probably mechanical
rather than electrical and that’s why carmax can’t pinpoint
the exact issue. Any ideas?
Without more information it is hard to tell but I would suspect the transmission if it is a CVT.
CVT? Im no car expert, unfortunately, but the transmission was already replaced with a brand new one directly from Nissan. today for example it did it again, and it wouldn't accelerate, then it would catch and give a short burst.
Nissan's CVT (continuous variable transmission) is the worst CVT ever made and has a lot of problems. Without more information I still suspect the CVT.
ohhh okay, I see what you are saying, the transmission that supposedly doesn't shift gears, i heard something about it. It's supposed to supply a smoother ride, am i correct? I don't much about them good or bad.
CVT's are supposed to provide better fuel economy but they have not worked out very well in practice.
okay I will keep that in mind when i take the car back to carmax. we are cash trapped so i cant afford to take the car anywhere else, i must rely on carmax because of the warranty.
Nissan might pay for the transmission as they are replacing a lot of these transmissions. Good luck.
Thank you. The first transmission replacement was covered under the carmax warranty.
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