I have a 2008 Nissan Sentra with 90-something thousand miles on it. Last summer I moved from Texas to Oregon, so it went through 125° Arizona heat (during which overdrive stopped working for a while) and mountains for the first time. Ever since then, if starting from a parked position, I can’t go over hills or bumps or even curbs. I can IF I was already driving on a flat surface. But if I stop on an incline and then try to drive forward (or reverse up it), I can’t. The RPMs don’t go above ~1.5k until I’m back on a flat surface.
The check engine light is on, and has been on since last summer, but the code it spits out is something dealership specific, so I have no idea what it is (the dealership is going to charge me a hundred bucks just to run their tests). People have told me it “might be something with the transmission”. The problem hasn’t gotten better or worse since last summer, so I just ignored it and got really good at not stopping before steep inclines or hitting curbs or anything (lol). But if I ever need to, I’ll be in huge trouble. I can’t even drive over medium sized rocks if I park too close to them.
The first time I found out about this was when I pulled into a friend’s downhill driveway last summer, and then couldn’t reverse out of it. He had to push it back up. D: Any ideas what this is and how costly it’ll be to fix? It never did this before the trip north.
Note: from a stop, it will go up GRADUAL hills and over SMALL bumps just fine, but anything that takes more than 1.5k RPMs to overcome isn’t happening. It will go up steeper hills and larger bumps (and curbs) only if I was already driving, but it still can’t tackle the steepest mountain road inclines like other cars can.
The 1.5k RPM problem goes away when it’s on a flat surface (or if I started driving on a flat surface before encountering a hill), and it accelerates normally again. However…
It also takes a couple of seconds to rev beyond 1.5k RPMs after stopping at a red light.