Hey I love your channel and listen to it going to and from work almost everyday!
So I have this 2014 Toyota Corolla with a CVT and 106,000 miles on it which absolutely runs great! The only problem I’m trying to figure out is when I drive my car for a period of time the RPMs surge go from 1500 to 2000 rpm going uphill or when I accelerate.
I changed the plugs, cleaned out the throttle body, ran sea foam through the gas, and did a fluid change not a flush on the CVT. Even after all that it still does it.
mom at a loss on what it could be because it only happens when I have been driving it for miles And not when it’s cold or when I first started up. Could it be a bad fuel pump or injector? Could it be my transmission slipping?
Can you please make a YouTube video of the surging and post the link here?
Isn't it supposed to do that?
When was the last time you changed the fuel filter? Have you already pressure tested the fuel pump?
Also, see here - https://carkiller.com/scottykilmer/qa/misfire-4/
I haven’t tried that yet so I wanna hope that it is not the transmission. Maybe the pump is over heating and it starts to slow down and speed up. Hmm
Your video leans more towards misfiring/hesitation, rather than CVT behaviour when driving uphill. Try the fuel filter first & pressure test the fuel pump. Alternatively you can pay a mechanic to test it for you (including the transmission).
Have it scanned for codes and report back, please. Free at auto parts stores.
Sorry I should have put this in the question also. There are no codes in the ecu to be seen. This is why I’m at a loss on what to do.
You need a professional-grade, dealer-level scan tool for transmission codes. An inexpensive generic OBD2 code reader won't do.
Maybe in an find one somewhere. I thought the same thing because I know the dealer scanner can see all sensor coming on and off, shift points, etc.
the RPMs surge go from 1500 to 2000 rpm going uphill or when I accelerate.
is that unusual?
Well it does it over and over. Almost like its hunting for gear or something.
I don’t notice it until it happens over and over. For now it just does it about 500-700 rpm surges not matter what rpm range.
ah ok. That's unfortunate. It may need a CVT replacement.
The CVT in my wife's 2019 Forester has some quirks also. I think it's just the way they are. I told her to get a RAV4 with a regular tranny but would she listen!?? No!!
Replace the CVT fluid. if it makes it better, dump the car asap.
